CN107148261A - 改善皮肤外观的方法 - Google Patents
改善皮肤外观的方法 Download PDFInfo
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- CN107148261A CN107148261A CN201580057431.4A CN201580057431A CN107148261A CN 107148261 A CN107148261 A CN 107148261A CN 201580057431 A CN201580057431 A CN 201580057431A CN 107148261 A CN107148261 A CN 107148261A
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- skin
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- barrier patch
- cosmetic composition
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Abstract
本发明公开了用于处理皮肤的方法,由此将化妆品组合物施用于皮肤的目标区域。所述化妆品组合物包含有效量的皮肤活性剂。阻隔贴片也可施用于皮肤的目标区域,并且具有背衬层和压敏粘合剂。所述阻隔贴片具有约50克至约400克的粘合剂剥离力,约1g/m2/24h至约500g/m2/24h的WVTR;和约8克至约40克的柔韧性。
Description
技术领域
本发明涉及通过使用阻隔贴片将化妆品组合物递送至皮肤目标区域的方法。所述阻隔贴片包括背衬层和压敏粘合剂。所述阻隔贴片具有改善的性质,在使用中提供更大的舒适性,持久的粘附性,易于去除,更有效地将皮肤护理剂递送至皮肤,并且提供更大的配制灵活性。
背景技术
在本领域中已认识到使用包含皮肤剂的贴片或面膜装置来美化处理皮肤的有益效果。各种美容贴片或装置在市场上销售,或描述为可用于递送皮肤活性物质。贴片也已在文献中描述并且在医学领域中销售,作为药物透皮给药的可用途径。
然而,许多贴片或装置在它们的物理产品形式下具有缺点,导致佩戴者可感知的不期望的使用特征。例如,一些贴片太湿或过粘。包含凝胶形成剂的贴片或装置可能不形成固体凝胶结构,因此难以处理并且施用于皮肤。其它贴片干燥、粗糙的并且不可弯曲,因此紧绷并且佩戴不舒服。这些贴片通常不能很好地贴合它们所施用的皮肤表面轮廓。一些贴片或装置过于柔软。因此这些贴片难以处理和应用,并且可能实际上与皮肤轮廓过于紧贴,突显皱纹或甚至引起皱纹。一些贴片和装置因使用强粘合剂而难以移除。由于它们的高粘合性和/或内聚性,它们在移除后可能留下残余物。
此外,还已知其中将活性剂掺入贴片内的粘合剂材料中的贴片和装置。因此,这些贴剂用作活性物质的递送基质。皮肤剂和粘合剂材料之间的不相容性可能导致皮肤剂透过粘合剂层的分配无效。这导致皮肤剂向皮肤层的渗透不佳。因此,一些贴片或装置不提供皮肤护理有益剂的有效释放和渗透。
现已发现,可通过重新平衡阻隔贴片的性质来改善用户的满意度。通过选择适当的柔韧性、易于移除的粘合强度、吸留性和渗透性,皮肤活性剂被有效递送至皮肤,并且向消费者提供优异并且舒适的使用体验。此外,本文的实施方案允许更大的配制灵活性,例如允许掺入更宽范围的皮肤活性剂,否则其将与粘合剂材料相互作用。
发明内容
根据一个实施方案,提供了处理皮肤的方法,包括:
a.将化妆品组合物施用至皮肤目标区域,所述化妆品组合物包含有效量的皮肤活性剂,在一个实施方案中,所述皮肤活性剂作为与阻隔贴片分离的组分提供;
b.将所述阻隔贴片施加至皮肤目标区域,所述阻隔贴片包括具有第一表面的背衬层;与所述第一表面接触的压敏粘合剂;调节所述阻隔贴片的性质以具有:约50克至约400克的粘合剂剥离力;约1g/m2/24h至约500g/m2/24h;在另一个实施方案中约1g/m2/24h至约180g/m2/24h的WVTR,以及约8克至约40克的柔韧性。
在一个实施方案中,所述化妆品组合物通过阻隔贴片与皮肤目标区域保持接触约2小时至约1周和/或约2小时至约12小时的一段时间。
根据另一个实施方案,提供了处理皮肤的方法,包括:
a.将化妆品组合物施用至所述皮肤目标区域,所述化妆品组合物包含具有有效量皮肤活性剂的水包油乳液,所述皮肤活性剂作为与阻隔贴片分离的组分提供;
b.施加所述阻隔贴片,所述阻隔贴片包括:
具有第一表面的背衬层;
与所述第一表面接触的压敏粘合剂;
调节所述阻隔贴片的性质以具有:
约75克至约350克的粘合剂剥离力;
约1g/m2/24h至约180g/m2/24h的WVTR;
约8克至约25克的柔韧性。
根据另一个实施方案,提供了处理皮肤的方法,所述方法包括:
a.将化妆品组合物施用至所述皮肤目标区域,所述化妆品组合物包含有效量皮肤活性剂,所述皮肤活性剂作为与阻隔贴片分离的组分提供;
b.施加所述阻隔贴片,所述阻隔贴片包括:
具有第一表面的背衬层;
与所述第一表面接触的压敏粘合剂;
调节所述阻隔贴片的性质以具有:
约50克至约400克的粘合剂剥离力;
约1g/m2/24h至约500g/m2/24h的WVTR;
约8克至约40克的柔韧性;并且
调节所述阻隔贴片以提供约35至约120的水合值。
在其它实施方案中,提供皮肤护理试剂盒,包括:
包含有效量皮肤活性剂的化妆品组合物;
阻隔贴片,所述阻隔贴片包括具有第一表面的背衬层和与所述第一表面接触的压敏粘合剂;所述阻隔贴片包括约50克至约400克的粘合剂剥离力;约8克至约40克的柔韧性;和约1g/m2/24h至约500g/m2/24h的WVTR;
展示包装,所述展示包装包括:
展示表面或倾斜的展示表面,其限定容纳所述化妆品组合物
的第一腔体和容纳多个阻隔贴片的第二腔体。
在另一个实施方案中,所述展示包装还包括具有前壁、后壁和两个侧壁的顶盖;具有前壁、后壁和两个侧壁的基部;定位在所述顶盖和所述基部之间的中间环绕窗口。所述化妆品组合物可基本上定位在第一腔体内或以竖直位置定位在第一腔体中。顶盖前壁、后壁和两个侧壁的边缘可被构造成当去除中间环绕窗口时,与基部的前壁、后壁和两个侧壁的边缘配合,以提供紧密配合关系。
本发明内容任何实施方案中的化妆品组合物可包含水性化妆品组合物。
附图说明
虽然本说明书以特别指出和清楚地要求保护本发明的权利要求书作为结论,但据信由下列结合附图描述的实施方案将更好地理解本发明,其中:
图1是如本文所示和所述的隔离贴片的透视图。
图2是如本文所示和所述的图1隔离贴片的俯视平面图。
图3是如本文所示和所述的替代性阻隔贴片的横截面。
图4是展示包装实施方案的透视侧视图。
图5是展示包装另一实施方案的透视侧视图。
图6是展示包装另一实施方案的透视侧视图。
图7是展示包装另一实施方案的透视侧视图。
具体实施方式
尽管本说明书以特别指出并清楚地要求保护本发明的权利要求书作出结论,但据信由以下说明可更好地理解本发明。
除非另外指明,否则本文所用的所有百分比和比率均按所述总组合物的重量计,并且所有的测量均在25℃进行。所有数值范围是包括端值在内的较窄范围;所述的范围上限和范围下限是可互换的,以形成未明确描述的其它范围。
本发明的组合物可包含本文所描述的基本组分以及任选成分,本发明的组合物基本上由或由所述基本组分以及任选成分组成。如本文所用,“基本上由...组成”是指组合物或组分可包含附加成分,只要所述附加成分不会在本质上改变受权利要求书保护的组合物或方法的基本特征和新颖特征。
涉及组合物所用的术语“施用”或“涂敷”是指将本发明的组合物施用或铺展到基部诸如人皮肤表面或表皮上。
如本文所用,术语“皮肤病学可接受的”是指所述组合物或其组分适用于和哺乳动物角质组织接触,而没有不适当的毒性、不相容性、不稳定性、变应性反应等。
如本文所用的术语“面部皮肤表面”是指前额、眶周、脸颊、口周、下巴和鼻部皮肤表面中的一个或多个。虽然本文关注并且例示了面部皮肤表面,但是其它皮肤表面可用本发明的组合物和方法处理,例如通常不被衣服遮盖的表面如面部皮肤表面、手部和臂部皮肤表面、脚部和腿部皮肤表面、以及颈部和胸部皮肤表面(例如胸部)。
本文所用术语“角质组织”是指作为哺乳动物(例如人类、狗、猫等)最外层保护覆盖物的含角质层,其包括但不限于皮肤、粘膜、唇、毛发、脚趾甲、手指甲、表皮、蹄等。
本文所用术语“局部施用”、“局部地”和“局部用”是指将本发明的组合物施用(如涂敷、喷雾)到角质组织表面上。
本文所用术语“有效量”是指足以显著产生积极的角质组织有益效果的化合物或组合物量,所述有益效果包括单独的或与本文公开的其它有益效果相组合的有益效果。这意味着制剂中试剂的含量和/或浓度足够大,当以正常频率和常规量施用所述制剂时,所述制剂可对一种或多种非期望角质组织状况(如皮肤皱纹)提供处理。例如,所述量可以是足以抑制或增强角质组织中存在的某些生物化学功能的量。皮肤护理剂的该量可根据产品的类型、待处理的角质组织状况类型等而变化。
本文所用术语“安全有效量”是指化合物或组合物的量足以显著产生积极的有益效果,优选积极的角质组织外观,所述有益效果包括独立的或与本文所公开的有益效果相组合的有益效果,同时所述量又足够低以避免严重的副作用,即,在技术人员合理的判断范围内,提供合理的效险比。
如本文所使用的,“透明”或“视觉清晰”被定义为具有透射光线但无明显散射,使得位于后面的身体可感知的性质。用于确定产品是否澄清或透明的一种可接受的测试方法如本文提供的方法所述。
如本文所用,术语“半透明的”可包括“磨砂的”,“闪光的”,“珠光的”等,并且在本文中定义为使否则为“透明”的材料中产生低度光散射以使外观变得无光泽的做法。
如本文所用,术语“水不可透过的”包括液态水不能够通过的材料或物体。
阻隔贴片
本文提供了护肤产品或试剂盒,其包括包含有效量皮肤活性剂的化妆品组合物,和阻隔贴片,所述阻隔贴片包含具有第一表面的背衬层和与所述第一表面接触的压敏粘合剂;所述阻隔贴片具有约50克至约400克的粘合剂剥离力;约8克至约40克的柔韧性;和约1g/m2/24h至约500g/m2/24h的WVTR。
在一个实施方案中,本发明的方法包括:
a.将化妆品组合物施用至所述皮肤目标区域,所述化妆品组合物包含有效量的皮肤活性剂;
b.将阻隔贴片施用至皮肤目标区域,所述阻隔贴片包括:
具有第一表面的背衬层;
与所述第一表面接触的压敏粘合剂;
调节所述阻隔贴片的性质以具有:
约50克至约400克的粘合剂剥离力;约1g/m2/24h至约500g/m2/24h的WVTR;和约8克至约40克的柔韧性。
阻隔贴片1的示例性实施方案示于图1和2中。所述阻隔贴片包括背衬层2和压敏粘合剂3。所述背衬层具有第一表面5和第二表面6。所述压敏粘合剂3与背衬层2第一表面5的至少一部分接触,以形成第一表面5的压敏粘合剂涂覆区域7。在图1和2的实施方案中,所述阻隔贴片1为矩形,然而该形状不旨在限制本发明。
本主题阻隔贴片另一个示例性实施方案的横截面示于图3中,并且包括背衬层10、压敏粘合剂11和剥离层12。
本发明阻隔贴片的背衬层可包括固体片材料。所述片材向贴片提供主要结构和形状,使得它能够被处理和施用,以处理皮肤的特定目标区域。
所述阻隔贴片具有适于符合期望皮肤目标区域的尺寸和形状,所述目标区域可为人脸或其部分、腿、手、手臂、脚或人体躯干。它们在外观上可为大致平坦的。
所述阻隔贴片的确切尺寸和形状将取决于预期用途和产品特征。本文阻隔贴片可为例如正方形、圆形、半圆形、矩形、三角形、椭圆形、环形、月牙形、具有圆角的月牙形、泪滴形、或其它更复杂和不规则的形状。阻隔贴片的形状可选自与人面部的前额、口周和/或眶周区域的轮廓适形的圆形、正方形、矩形、三角形和/或不规则形状。
对于形状匹配面部或皮肤其它目标区域的阻隔贴片,所述阻隔贴片的表面积可在约0.25cm2至约1000cm2,和/或约1cm2至约500cm2,和/或约1cm2至约200cm2,和/或约1cm2至约50cm2,和/或约5cm2至约15cm2范围内。表面积是指具有与该表面具有相同边界的平坦平面的表面积,即忽略任何表面纹理的存在。
在一个实施方案中,所述阻隔贴片通常具有约0.5密耳至约100密耳范围内的平均厚度,在另选的实施方案中,所述阻隔贴片具有约1密耳至约35密耳和/或约2密耳至约30密耳的厚度,和/或约3密耳至约15密耳的平均厚度。
在某些实施方案中,所述阻隔贴片基本上不含皮肤活性剂,仅包含非有效量的皮肤活性剂,或不含皮肤活性剂。因此,本发明的阻隔贴片可表征为“空白”阻隔贴片。就这一点而言,在一个实施方案中,有效量的所用皮肤活性剂是与阻隔贴剂分开的组分。
在某些实施方案中,所述阻隔贴片包括背衬层。根据一个实施方案,阻隔贴片或背衬层是具有介于约1g/m2/24h至约500g/m2/24h之间的WTVR值,并且在另一个实施方案中具有约1g/m2/24h至约250g/m2/24h,和/或约1g/m2/24h至约180g/m2/24h,和/或约2g/m2/24h至约150g/m2/24h,和/或约2至约20g/m2/24h的WVTR的膜。术语WTVR表示“水蒸气透过率”,并且根据本文的方法测量。
在某些实施方案中,背衬层是无孔的或水不可透过的。因此,在一个实施方案中,所述阻隔贴片或背衬层是水不可透过的。在某些其它实施方案中,所述背衬层是化妆品组合物、所用皮肤护理活性剂、和其中WVTR为约2至约100g/m2/24h的流体不可透过的。虽然不受理论束缚,但是使用化妆品组合物与角质组织和皮肤接触时防止化妆品组合物水分流失的基部,防止化妆品组合物变干。化妆品组合物水分流失可降低水浓度,可使乳液不稳定(如果存在的话),并且可增加皮肤活性剂的浓度。这可导致对皮肤的功效和/或刺激的降低或丧失。
背衬层和隔离贴片的此类相对水不可渗透性和更低的水蒸气渗透性可提高与隔离贴片一起使用的化妆品组合物的效力和效率。例如,不受理论的束缚,所用背衬层和/或阻隔贴片的水不可渗透性和较低的水蒸汽渗透性可用于增强或增加皮肤护理活性剂向皮肤内的渗透。
在某些实施方案中,所述液体不可透过并且可透气的背衬层和阻隔贴片可例如由穿孔聚乙烯膜构成,其中孔的尺寸已被选择成使得空气和蒸气可通过,但液体分子不可通过。如上所述,可透气材料可由穿孔塑料膜构成。此类膜的一个示例描述于美国专利5,628,737中。所述背衬层也可由微孔塑料膜构成,如在例如EP-A-0238200中所述。
在一个实施方案中,所述阻隔贴片是以商品名1525L由3M(St.Paul,Minn)出售的聚乙烯膜。No.1525-L具有约3密耳厚的聚乙烯膜背衬,1.4密耳厚的低过敏性压敏丙烯酸酯粘合剂层和涂覆有聚乙烯和硅氧烷的纸质剥离层。
在某些实施方案中,所述背衬层通常由柔韧材料制成,其能够在人体运动以及能够与面部表情或手势相关联的运动期间保持适形和柔韧。“柔韧”是指背衬层可显著弯曲或折叠而不破裂、撕裂、撕破等。所述阻隔贴片具有约8克至约40克,和/或约8克至约25克,和/或约10克至约25克,和/或约2克至约10克的柔韧性。选择阻隔贴片的该柔韧性与厚度、WVTR和粘附释放性质的组合,以确保获得所期望的适形能力和舒适性。所述阻隔贴片也不会在重力下或在使用者处理和施用时塌缩或折叠。期望阻隔贴片贴合施用于其上的皮肤表面目标区域,而不折叠、起皱或产生更多的皮肤目标区域褶皱。因此,当使用者在佩戴时间段期间移动时,阻隔贴片易于贴合皮肤,并且在整个使用期间保持柔韧。在一个实施方案中,在使用者佩戴阻隔贴片的整个时间段内,柔韧性基本上恒定。
由于阻隔贴片的厚度将影响柔韧性,所以基底厚度应当被选择成使得能够达到阻隔贴片的期望柔韧性。
所述阻隔贴片的背衬层可包括至少一种材料,例如水不可透过的和水蒸汽可透过的材料,其包括但不限于聚丙烯(PP);聚乙烯(PE,包括HDPE和LLDPE);聚对苯二甲酸乙二醇酯(PET);聚氯乙烯(PVC);聚酰胺(PA);聚碳酸酯;聚氨酯;乙酸纤维素;聚氯丁烯;聚砜;聚四氟乙烯(PTFE);聚乙酸乙烯酯(PVA);聚对苯二甲酸乙二醇酯膜;聚苯乙烯;聚苯醚(PPO);丙烯腈丁二烯苯乙烯(ABS);丙烯酸;丙烯腈苯乙烯丙烯酸酯(ASA);乙烯-乙烯醇(EVA);天然橡胶、胶乳、尼龙、腈、硅氧烷和热塑性弹性体(TPE)、以及它们的组合。所述背衬层可包含单一聚合物或聚合物或共聚物的混合物。所述阻隔贴片可包含聚烯烃和/或高密度聚乙烯。也可使用这些材料的层合物。所述材料也可共挤出。在一个实施方案中,所述背衬层或阻隔层基本上不含非织造材料。
在一个实施方案中,为了提供不易看见和不太明显的阻隔贴片,所述阻隔贴片是透明的、半透明的和/或视觉上清晰的。用于确定产品是否澄清或透明的一种可接受的测试方法如本文提供的确定透明度阈值的方法所述。在一个实施方案中,所述阻隔贴片是透明的,在其它实施方案中,所述阻隔贴片具有约1点到约10点,和/或约1点至约4点,和/或不大于约10点,和/或不大于约4点的透明度阈值。
例如,化妆品组合物和阻隔贴片可与皮肤目标区域保持接触约2小时至约1周的时间段。所述时间段经过后,通过将阻隔贴片从皮肤目标区域剥离来去除所述阻隔贴片,使得移除时,阻隔贴片被完整地移除,即,没有背衬层材料留在皮肤目标区域。
阻隔贴片性质的平衡使得其能够容易并且非创伤性地从皮肤目标区域移除。在某些实施方案中,粘合剂剥离力为约50克至约400克,在另一个实施方案中为约75克至约350克,在另一个实施方案中为约100克至约200克。如果粘合剂剥离力过低,则贴片在整个延长佩戴时间内不会保持粘附至皮肤目标区域。如果粘合剂剥离力过高,则在佩戴期结束时去除贴片可能是疼痛的或对皮肤有创伤的。确定粘合剂剥离力的方法如本文方法所述。
不受理论的束缚,阻隔贴片的吸留起到三个重要的目的。首先,通过在皮肤上保持持续潮湿的环境,与在皮肤上变干的单独传统凝胶或洗剂载体相比,所述组合物如包含皮肤活性剂的水性组合物可保持液化或溶解形式,以产生持续的递送环境。另外,皮肤中更大的水合/水含量可促进更有利的热力学/物理环境,以使得一些活性物质穿过皮肤层的渗透和流量能够增加,从而增加皮肤中存在的活性物质的递送速率或量。最后,在皮肤中构建水分储存器,用于使皮肤结构隆起或溶胀。
因此,在一个实施方案中,本文的方法和组合物提供改善的皮肤目标区域水合。如表1中所示,并且根据本文提供方法所述,8小时后皮肤目标区域的水合为约35至约120,和/或约38至约100,和/或约40至约95,和/或约45至约95。
表1.A–3M 2476,B–3M Medipore H,C–3M 1525L,和D–3M 9830。
所述阻隔贴片可通过任何适宜的方法制备,包括浇铸、注塑、共注塑、包覆模制、模内装配、压塑、吹塑、浇铸热成形或真空成形。在适当的情况下,可通过热熔接(其可进一步包括使用压力、超声波力和无线电或高频率)、共挤出、粘合剂、静电粘合剂(例如通过纤维植绒)和局部表面施用,将所述阻隔贴片层合。
各种粘合剂可用于本文阻隔贴片的制备中。通常,所述粘合剂材料是压敏粘合剂(PSA),其适于长期皮肤接触,并且其应当与存在的背衬层和/或添加剂物理和化学相容。适宜粘合剂材料的示例包括但不限于以下这些:丙烯酸和甲基丙烯酸酯均聚物或共聚物、丁基橡胶基体系、硅氧烷、聚氨酯、乙烯基酯和酰胺、烯烃共聚物材料、天然或合成橡胶、熔融性粘合剂(参见,例如,美国专利5,387,450);聚乙烯;聚硅氧烷;聚异丁烯;聚丙烯酸酯;聚丙烯酰胺;聚氨酯;增塑乙烯-乙酸乙烯酯共聚物;和粘性橡胶如聚异丁烯、聚丁二烯、聚苯乙烯-异戊二烯共聚物、聚苯乙烯-丁二烯共聚物、和氯丁橡胶(聚氯丁二烯)、以及它们的组合。
所述粘合剂通常具有约0.5密耳至约15密耳,在另选的实施方案中约1密耳至约5密耳范围内的平均厚度。
根据一个实施方案,提供了制备阻隔贴片的方法,所述方法包括:
a.通过方法将阻隔贴片层合,所述方法选自热熔接、超声波力、共挤出;粘合、静电粘合、以及它们的组合;所述阻隔贴片具有第一表面;
b.向所述第一表面施加压敏粘合剂;
所述阻隔贴片具有约50克至约400克的粘合剂剥离力;约1g/m2/24h至约500g/m2/24h;在另一个实施方案中约1g/m2/24h至约180g/m2/24h的WVTR,和约8克至约40克的柔韧性。
剥离层
本文阻隔贴片还可包括保护性剥离层,其可移除地附接至背衬层的压敏粘合剂侧如第一表面,并且与背衬层的第二表面相背对。剥离层向压敏粘合剂提供环境防护,并且在使用者施用之前提供保护。
保护性剥离层可包括材料,所述材料包括聚合物树脂如聚烯烃,例如聚丙烯(包括成层双轴向取向聚丙烯(SBOPP))、聚乙烯(包括LDPE;LLDPE;HDPE;茂金属)或聚对苯二甲酸乙二醇酯、以及它们的组合。可使用的替代材料包括聚氯乙烯、聚酰胺、乙酰基、丙烯腈丁二烯苯乙烯、丙烯酸、丙烯腈苯乙烯丙烯酸酯、乙烯乙烯醇、乙烯乙酸乙烯酯、尼龙、乳胶、天然或合成橡胶、聚碳酸酯、聚苯乙烯、热塑性硫化橡胶、或所述材料的共聚物、以及它们的组合。在一个实施方案中,保护性剥离层可包括不粘材料的涂层。示例性不粘涂层包括蜡、硅氧烷、含氟聚合物诸如和氟代硅氧烷。
在一个实施方案中,所述保护性剥离层覆盖背衬层压敏粘合剂涂覆区域的整个上述区域。在另一个实施方案中,保护性剥离层是水不可透过的。在另一个实施方案中,所述剥离层具有至少约85微米,或约85微米至约150微米,和/或约90微米至约120微米的平均厚度。
剥离层可任选整体或部分延伸超过背衬层的压敏粘合剂涂布区域和/或超过背衬层,以提供有利于容易移除剥离层的剥离片。
化妆品组合物
皮肤活性剂
本发明的组合物可包含皮肤活性剂,所述皮肤活性剂提供护肤产品使用中的特定护肤有益效果特征。所述护肤有益剂可包括涉及皮肤外观或彩妆的有益效果。所述护肤活性物质可提供短期(即时并且短暂)有益效果或长期(长时间并且持久)有益效果。
如本文所用,术语“皮肤活性剂”是指可向皮肤上的施用区域提供化妆和/或治疗效果的活性成分。可用于本文的皮肤活性剂包括亮肤剂、抗痤疮剂、润肤剂、非甾族抗炎剂、局部麻醉剂、人工晒黑剂、抗微生物活性物质和抗真菌活性物质、皮肤抚慰剂、防晒剂、皮肤阻挡层修复剂、抗皱剂、抗皮肤萎缩活性物质、类脂、皮脂抑制剂、皮肤增感剂、蛋白酶抑制剂、抗痒剂、脱屑酶增强剂、抗糖化作用剂、以及它们的混合物。当包括时,本发明的组合物包含安全有效量的皮肤活性剂和/或约0.001%至约20%,在另一个实施方案中约0.1%至约10%的至少一种皮肤活性剂。
选择皮肤活性剂的类型和量,使得具体试剂的包含不影响所述组合物的稳定性。例如,在将亲脂剂以可溶于油相的量掺入的同时可将亲水剂以可溶于水相的量掺入。
其它皮肤活性剂旨在表现出表情线松弛有益效果以用于本发明中,包括但不限于得自Barnet Products Corporation的Lavandox;得自BiotechMarine的Thallasine 2;得自Lipotec的Argireline NP;得自Gattefosse的Gatuline In-Tense和GatulineExpression;得自BASF Chemical Company的Myoxinol LS 9736,得自DSM NutritionalProducts,Inc.的Syn-ake;以及得自Silab,Inc的得自Seppic Inc.的SesaflashTM。
可用于本文的亮肤剂是指与处理前比较,能够改善色素沉着过度的活性成分。可用于本文的亮肤剂包括抗坏血酸化合物、维生素B3化合物、壬二酸、丁基羟基苯甲醚、没食子酸及其衍生物、甘草酸、对苯二酚、曲酸、熊果苷、桑树提取物、以及它们的混合物。据信使用亮肤剂的组合是有利的,因为它们可通过不同机制提供亮肤有益效果。
可用于本文的抗坏血酸化合物包括本身为L-型的抗坏血酸、抗坏血酸盐、以及它们的衍生物。可用于本文的抗坏血酸的盐包括钠盐、钾盐、锂盐、钙盐、镁盐、钡盐、铵盐和鱼精蛋白。可用于本文的抗坏血酸衍生物包括例如抗坏血酸的酯和抗坏血酸的酯盐。尤其优选的抗坏血酸化合物包括2-O-D-吡喃葡糖基-L-抗坏血酸(其是抗坏血酸和葡萄糖的酯,并且通常称为L-抗坏血酸-2-葡糖苷或抗坏血酸基葡糖苷)及其金属盐,以及L-抗坏血酸磷酸酯盐,诸如抗坏血酸磷酸钠、抗坏血酸磷酸钾、抗坏血酸磷酸镁和抗坏血酸磷酸钙。可商购获得的抗坏血酸化合物包括购自Showa Denko的抗坏血酸磷酸镁、购自Hayashibara的2-o-D-吡喃葡糖基-L-抗坏血酸和以商品名STAY C购自Roche的L-抗坏血酸磷酸钠。
可用于本文的维生素B3化合物包括例如具有下式的那些:
其中R为-CONH2(例如烟酰胺)或-CH2OH(例如烟醇);它们的衍生物;以及它们的盐。前述维生素B3化合物的示例性衍生物包括烟酸酯(包括非血管舒张性烟酸酯)、烟基氨基酸、羧酸的烟醇酯、烟酸N-氧化物和烟酰胺N-氧化物。优选的维生素B3化合物是烟酰胺和生育酚烟酸酯,并且在另一个实施方案中为烟酰胺。在一个优选的实施方案中,所述维生素B3化合物包含有限量的盐形式,并且更优选基本上不含维生素B3化合物的盐。维生素B3化合物优选包含小于约50%的此类盐,并且更优选基本上不含盐形式。可高度用于本文的可商购获得的维生素B3化合物包括购自Reilly的烟酰胺USP。
其它可用于本发明的疏水性亮肤剂包括抗坏血酸衍生物,例如四异棕榈酸抗坏血酸酯(例如,购自Nikko Chemical的VC-IP)、棕榈酸抗坏血酸酯(例如,购自RocheVitamins)、二棕榈酸抗坏血酸酯(例如,购自Nikko Chemical的NIKKOL CP);苯基丙氨酸十一碳烯酸酰胺(例如,购自Seppic的SEPIWHITE MSH);十八碳烯二酸(例如,购自Uniquema的ARLATONE DIOIC DCA);月见草籽提取物,和苹果提取物,水和Myritol 318和丁二醇和生育酚和四异棕榈酸抗坏血酸酯和对羟基苯甲酸酯和丙烯酸聚合物980和DNA/SMARTVECTOR UV(购自COLETICA),在透明质酸填充球中的抗坏血酸磷酸镁(购自COLETICA)、以及它们的混合物。
可用于本文的其它皮肤活性剂包括选自下列的那些:N-乙酰基D-葡糖胺、泛醇(例如购自Alps Pharmaceutical Inc.的DL泛醇)、烟酸生育酚酯、过氧化苯甲酰、3-羟基苯甲酸、类黄酮(例如黄烷酮、查耳酮)、金合欢醇、植烷三醇、乙醇酸、乳酸、4-羟基苯甲酸、乙酰基水杨酸、2-羟基丁酸、2-羟基戊酸、2-羟基己酸、顺式-视黄酸、反式-视黄酸、视黄醇、视黄酯(例如,丙酸视黄酯)、植酸、N-乙酰基-L-半胱氨酸、硫辛酸、生育酚以及它们的酯(例如乙酸生育酚酯:DL-α-生育酚乙酸酯,购自Eisai)、壬二酸、花生四烯酸、四环素、布洛芬、萘普生、酮洛芬、氢化可的松、对乙酰氨基酚、间苯二酚、苯氧基乙醇、苯氧基丙醇、苯氧基异丙醇、2,4,4'-三氯-2'-羟基二苯基醚、3,4,4'-三氯碳酰苯胺、羟甲辛吡酮、盐酸利多卡因、克霉唑、咪康唑、酮康唑、新霉素硫酸盐、茶碱、以及它们的混合物。
在各种实施方案中,本发明的组合物可包含N-酰基氨基酸化合物。适宜的N-酰基氨基酸化合物包括但不限于N-酰基苯基丙氨酸、N-酰基酪氨酸、它们的异构体(包括它们的D和L异构体)、盐、衍生物、以及它们的混合物。适宜N-酰基氨基酸的示例是N-十一碳烯酸酰-L-苯基丙氨酸,并且可以商品名SEPIWHITE(注册商标)从Seppic(France)商购获得。
皮肤护理剂还公开于2007年1月25日公开的美国专利公布2007/0020220A1中,其中组分/成分整体以引用方式并入本文中。
所述化妆品组合物可包含一种或多种肽。本文中,“肽”是指包含十个或更少氨基酸的肽、它们的衍生物、异构体、以及与其它物质例如金属离子(例如铜、锌、锰和镁)的配合物。如本文所用,肽还指天然存在的肽和合成的肽。在一个实施方案中,所述肽为二肽、三肽、四肽、五肽和六肽,它们的盐、异构体、衍生物、以及它们的混合物。可用的肽衍生物的示例包括但不限于衍生自大豆蛋白的肽、棕榈酰-赖氨酸-苏氨酸(pal-KT)和棕榈酰-赖氨酸-苏氨酸-苏氨酸-赖氨酸-丝氨酸(pal-KTTKS,存在于被称为的组合物中)、棕榈酰-甘氨酸-谷氨酰胺-脯氨酸-精氨酸(pal-GQPR,存在于被称为的组合物中),此三者可得自Sederma,France,以及Cu-组氨酸-甘氨酸-甘氨酸(Cu-HGG,还被称为)。在各种实施方案中,所述化妆品组合物可包含约1×10-7%至约20%,或约1×10-6%至约10%,或约1×10-5%至约5%的肽。
在一个实施方案中,所述皮肤活性剂为烟酰胺。在一个实施方案中,所述试剂是烟酰胺、甘油、乙酸生育酚酯和d-泛醇的组合。烟酰胺可以介于约1%至约30重量%之间,在另一个实施方案中约2%至约28重量%,在另一个实施方案中约5%至约25重量%,在另一个实施方案中约10%至约20重量%的量包含于所述组合物中。当包括d-泛醇时,它可以约0.5重量%至约5重量%,或约0.5重量%至约3重量%,和/或约0.5重量%至约2重量%的量存在。可包含约6重量%至约20重量%,和/或约8重量%至约15重量%,和/或约10重量%至约15重量%的量的甘油作为活性物质。
在各种实施方案中,所述皮肤活性剂选自单独或与一种或多种以下物质组合的烟酰胺:棕榈酰-赖氨酸-苏氨酸、棕榈酰-赖氨酸-苏氨酸-苏氨酸-赖氨酸-丝氨酸、N-十一烷基-10-烯酰-L-苯丙氨酸、丙酸视黄酯、N-乙酰葡糖胺、维生素C、维甲酸、水杨酸、苯甲酸、过氧化苯甲酰、维甲酸、以及它们的组合。
在一个实施方案中,本文的化妆品组合物可为水性溶液或乳液,如水包油乳液、油包水乳液、或具有水性或油性外相的多重乳液。在另一个实施方案中,本文化妆品组合物为水包油乳液。
在一个实施方案中,为了避免与压敏粘合剂的不利相互作用,所述化妆品组合物仅包含低含量的约0.5%至约10%,和/或约1%至约5%的硅氧烷,并且/或者所述化妆品组合物基本上不含硅氧烷。如本文所用,“硅氧烷”可指Osborne在2007年1月25日公布的US2007/0020220A1中公开的那些硅氧烷,例如第[0226]至[0258]段中。
在一个实施方案中,所述化妆品组合物基本上不含脱毛剂。
所述化妆品组合物可包含有效量的具有改善皮肤视觉或美学外观的活性的皮肤活性剂,如有效减少或降低人面部皮肤上细纹和/或皱纹外观的试剂,或有效处理现有痤疮损伤、减少与痤疮损伤相关的发红和/或防止痤疮损伤形成的试剂。
本文公开的处理、施用、调节或改善的方法可使用上述组合物。本发明组合物的施用可发生在身体皮肤表面的任何目标区域上。最令人关切的皮肤表面大多是那些通常未被衣服覆盖的部分,例如面部皮肤表面、手和臂皮肤表面、脚和腿部皮肤表面、以及颈和胸部皮肤表面(例如低胸装)。具体地讲,可施用于面部皮肤表面上,包括前额、口周、下巴、眶周、鼻部和/或面颊皮肤表面。
将化妆品组合物施用至皮肤目标区域的步骤可通过局部施用至目标区域如具有皱纹的区域来进行。就所述组合物的施用而言,术语“局部的”、“局部”、或“局部地”是指将所述组合物递送至皮肤目标区域(如具有皱纹的皮肤区域),同时最小化向无需处理的皮肤表面的递送。所述组合物可施用于皮肤并且轻轻按摩到皮肤中。认识到,局部施用确实允许将合理量的所述组合物施用于邻近待处理的皱纹的区域(即所述组合物不可能被施用于皱纹的边界或保留在其内而没有一定程度的铺展)。应选择所述组合物或皮肤病学可接受的载体的形式,以有利于局部施用。虽然本发明的某些实施方案设想将组合物局部施用于皱纹区域,但应当理解,本发明的组合物可更通常或广泛地施用于一个或多个面部皮肤表面以降低在那些面部皮肤区域内的皱纹外观。
本文处理皮肤的方法可任选从清洁步骤开始。消费者可用适宜的清洁剂(例如购自The Procter&Gamble Company(Cincinnati,OH)的Olay Purifying Mud LatheringCleanser)清洗他或她的面部,并且用毛巾将他或她的皮肤轻轻擦干。
虽然本文所述的一些方法设想用施用装置施涂本发明的组合物,但可以理解施用装置不是必需的并且本发明的组合物还可通过使用使用者的一个手指或以其它常规方式来直接施涂。
试剂盒
本文还提供试剂盒,其中如本文所述,所述试剂盒至少包括一个或多个阻隔贴片和包含有效量皮肤活性剂的化妆品组合物。
因此,在一个实施方案中,提供了皮肤护理试剂盒,所述试剂盒包括:
包含有效量皮肤活性剂的化妆品组合物;
一个或多个阻隔贴片,所述阻隔贴片包括具有第一表面的背衬层;与所述第一表面接触的压敏粘合剂;约50克至约400克的粘合剂剥离力;约8克至约40克的柔韧性;和约1g/m2/24h至约500g/m2/24h的WVTR。所述试剂盒可包括展示包装,所述展示包装包括展示表面或倾斜的展示表面,其限定容纳化妆品组合物的第一腔体和容纳多个阻隔贴片的第二腔体。
如图4中所示,提供了展示包装2,所述展示包装包括展示表面7或倾斜的展示表面(示于图5和6中),其限定容纳所述化妆品组合物的第一腔体9和容纳多个阻隔贴片15的第二腔体11。
所述展示包装2可包括顶盖4;具有展示表面7的基部支撑托盘5,其限定容纳化妆品组合物(未示出)的第一腔体9和容纳多个阻隔贴片15的第二腔体11;其中所述化妆品组合物可基本上位于第一腔体9内。
在另一个实施方案中,第二腔体11还包括一个或多个保持突片17。如图4中所示,保持突片17可更靠近单位剂型片材19的表面定位,或者保持突片17可背对第二腔体11的后壁21以垂直位置放置,以使得一个或多个单位剂型片材19更易从第二腔体11移除。
在一个实施方案中,展示包装2包括多个单位剂型片材19,其中每个片材包括不多于2个阻隔贴片15,如图4中所示。此外,第一腔体9可具有与用于化妆品组合物的容器基本相同的尺寸和/或基本相同的几何形状。
在图4中所示的其它实施方案中,展示包装2可具有第一腔体9,所述第一腔体包括移除助剂23,以有助于从第一腔体9移除所述化妆品组合物。移除助剂23可包括第一腔体9一端内的间隙,以提供开放区域,使得使用者能够将他或她的指尖插入间隙中,以便从第一腔体9移除基本上位于第一腔体内的化妆品组合物。
所述展示包装2还可包括打开突片25,以有助于打开或关闭展示包装2。所述顶盖4还可包括开口翼片27,其经构造以在顶盖关闭时位于封闭槽29中。使用说明书31也可存在于顶盖4的内表面上。
图5示出了护肤试剂盒1的另一实施方案,所述试剂盒包括:包含有效量皮肤活性剂的化妆品组合物3。所述护肤试剂盒还包括阻隔贴片15,其包括具有第一表面的背衬层和与所述第一表面接触的压敏粘合剂;约1g/m2/24h至约500g/m2/24h的WVTR;所述阻隔贴片任选还具有约50克至约400克的粘合剂剥离力,并且任选还具有约8克至约40克的柔韧性。
图5和6的展示包装2可包括顶盖6,其具有前壁8、后壁10(未示出)和两个侧壁12;所述顶盖6还具有前壁8、后壁10和两个侧壁12的边缘14。图5和6的展示包装2还可包括基部18,其具有前壁20、后壁22(未示出)和两个侧壁26;可至少部分透明的中间环绕窗口16;倾斜的展示表面34,其中所述中间环绕窗口16和倾斜的展示表面34位于所述顶盖6和所述基部18之间。倾斜的展示表面34可限定用于容纳化妆品组合物3的第一腔体40和用于容纳多个阻隔贴片15的第二腔体38。
如图5和6中所示,在一个实施方案中,所述阻隔贴片15以一个或多个片材单位剂型44提供,其中所述片材单位剂型44包括例如不超过2个阻隔贴片15。第二腔体38还可包括一个或多个保持突片42,其防止单位剂型片材从第二腔体38滑出或使其最小化。
在一个实施方案中,所述化妆品组合物(或容纳所述化妆品组合物的容器)3可基本上位于第一腔体40内,其中所述第一腔体经构造以容纳所述化妆品容器,或者所述第一腔体40可经构造以将所述化妆品组合物3以竖直位置容纳于第一腔体40中。在图6的一个实施方案中,所述第一腔体40还可包括容器46,其可使所述化妆品组合物(或容器)能够以相对于展示表面或倾斜展示表面34的竖直位置放置。此外,在相同的第一腔体中,所述化妆品组合物还可储存在基本上平行于展示表面或倾斜展示表面的位置。
护肤试剂盒1还可包括顶盖6的前壁8、后壁10和两个侧壁12的边缘14,其被构造成在去除中间环绕窗口16时,与基部18的前壁20、后壁22和两个侧壁26的边缘28配合,以提供顶盖6的边缘14和基部18的边缘28之间的紧密配合关系。
在另一个实施方案中,第二腔体38还包括一个或多个保持突片42,以将阻隔贴片15的片材单位剂型44保持在适当位置,使得阻隔贴片的片材单位剂型不在相对于倾斜展示表面34的侧面。
如图7中所示,在一个实施方案中,所述护肤试剂盒1还可包括顶盖6的前壁8、后壁10和两个侧壁12的边缘14,其被构造成在去除中间环绕窗口16时,与基部18的前壁20、后壁22和两个侧壁26的边缘28配合,以提供顶盖6的边缘14和基部18的边缘28之间的紧密配合关系。所述顶盖6可以是透明的或不透明的。
在一个实施方案中,所述第一腔体40具有与所述化妆品组合物(或容器)3基本上相同的尺寸和/或几何形状。
如本文所用,“片材单位剂型”是指可具有例如约1至约6个阻隔贴片的一个或多个片材(例如连续膜片)。此外,所述片材单位剂型可用作阻隔贴片的剥离层。
在一个实施方案中,一个或多个阻隔贴片可密封在单独包装中,使得可从所述包装中移除一个阻隔贴片或较小数量的阻隔贴片并且使用,同时试剂盒的任何其它阻隔贴片的包装保持完整或未破坏。
如上所述,所述试剂盒还可包括包含有效量皮肤活性剂的化妆品组合物如水性化妆品组合物。试剂盒中提供的制剂剂量可足够用于单次施用或多次施用。因此,在本主题试剂盒的某些实施方案中,单剂量的皮肤活性剂存在于试剂盒中。例如,试剂盒可包括单一阻隔贴片和单一剂量的化妆品组合物。
在某些其它实施方案中,多剂量的化妆品组合物可存在于试剂盒中。例如,试剂盒可包括多个阻隔贴片和多剂量化妆品组合物。在具有多剂量量的化妆品组合物的那些实施力中,其可包装在单个容器如单个管、瓶、小瓶等(如图5中所示)中,或一个或多个剂量可单独包装,使得某些试剂盒可具有多于一个的化妆品组合物容器。在该情况下,倾斜的展示表面34或展示表面7可具有一个或多个第一腔体,以容纳每种化妆品组合物或包含多种化妆品组合物。在一个实施方案中,所述化妆品组合物的剂量数量和阻隔贴剂的数量是相同的。
在某些其他实施方案中,所述试剂盒包括多个阻隔贴片,其具有一定的尺寸和形状以用于处理面部的不同区域,如用于处理老年斑、前额、眼下区域、以及眼下区域与眼周鱼尾纹区域的组合。
本主题试剂盒通常还包括如何使用阻隔贴片来吸留化妆品组合物以将皮肤活性剂递送至皮肤目标区域的说明书。在一个实施方案中,所述试剂盒包括说明书,以向皮肤目标区域提供有效量的皮肤活性剂,这将提供具有约10微米至约30微米,和/或约12微米到约25微米厚度的化妆品组合物层。在另一个实施方案中,所述试剂盒包括说明书,以向皮肤目标区域提供约0.5mg/cm2至约3mg/cm2,和/或约1mg/cm2至约2mg/cm2的化妆品组合物。在一个实施方案中,不受理论的束缚,使用适当量的化妆品组合物将使化妆品组合物与压敏粘合剂的相互作用最小化。
测试方法
WVTR
根据ASTM F1249,在37℃和35%RH下测量阻隔贴片的WVTR。采用ASTM F1249,在MOCON Permatran-W 3/33水蒸气渗透率仪上分析样品。对于具有较高WVTR(例如约300g/m2/24h至500g/m2/24h)的样品,可根据ASTM E-96分析样品,其中将干燥剂放置在试验杯内,并且杯外部周围为35%RH。制备阻隔贴片样品,并且包括压敏粘合剂。
粘合剂剥离力
用ChemInstruments AR1000评定粘附性量度。将样品切成2cm宽的片段。将5cm长的样品一端放置在不锈钢测试板上,并且用4.5磅手动辊辊压。然后使样品与板保持接触4小时时间。将板放入37℃仪器中,并且使用柔性纸带(3/4"宽)作为连接物,将样品的另一端连接至设为180°剥离的夹具上。将速率设置为10英寸/分钟,并且开始测量。在数据收集之后,丢弃初始(拉动开始)和最终(拉脱)区域,并且使用对试样持续拉动的中心区域来产生平均剥离力。将来自三个样品的剥离力取平均,以产生每个样品的剥离力。
透明度
通过评定印刷文本透过阻隔贴片的可见性,来测定透明度。通过使用MicrosoftWord Arial字体和配备有黑色墨盒的LaserJet 4Plus打印机(Hewlett Packard),将英语字母(大写字母)打印到透明膜(Universal Office Supplies)上,来准备打印文本。以4点至28点范围内的字体大小准备印刷透明膜。然后将印刷的透明膜放置在白纸片上,以确保均匀的背景,并且在正常室内照明条件如零售店照明条件下,评定所有样品。
单词和/或字母必须是使用20/20肉眼视力的个体可见和/或可读的,并且位于样品前面12英寸。
选择感兴趣的阻隔贴片样品,其包括背衬层和压敏粘合剂。使压敏粘合剂面面向最上面,将该样品放置在以4号字体尺寸印刷的透明膜上。评定透过样本的印刷文本可见性。如果文本透过样品不清晰,则将样品转移至下一个最大字体大小的印刷体,并且重复评定。重复该过程,直至达到透过样品可读的字体大小。
然后,将透过样品可读的最小字体尺寸指定为该设备的“透明度阈值”。
在一个实施方案中,本发明阻隔贴片样品的“透明度阈值”不大于约10点,在另一个实施方案中不大于约7点,并且在另一个实施方案中不大于约4点。
角质水分测定仪的测试
皮肤水合的改善可用角质水分测定仪测定,同时在施用材料之前进行基线测量。具体地,可使用Corneometer(注册商标)825来评定基于电容测量的皮肤水合。角质水分测定仪的使用进一步描述于美国专利申请系列号13/007,630中。此类测定可以是非侵入性的,并且可在以下时间,在皮肤目标区域上一式两份进行:在基线处以及在后处理8小时处。
可使用直接数据输入和数据捕获程序,电子记录数据。测量可根据测试设备的标准操作程序和/或仪器操作手册进行。
角质水分测定仪的值对于电阻抗是任意单位的。在基线处,对于具有干燥皮肤等级为约2.5至约4.0的受试者,此类角质水分测定仪的值的经调节均值可通常在约15至约20范围内。较高的角质水分测定仪值可对应较高的水合水平,由此,较低的角质水分测定仪值可对应较低的水合水平。在整个研究过程中可使用相同的一个或多个仪器和一位或多位操作者。
在各次测量之前可使用Kimwipe擦拭探头。在评定期结束时,该时间段收集的数据可根据仪器操作手册的指导进行备份,并且可打印数据的硬拷贝。
柔韧性
使用购自Thwing-Albert Instrument Co.(Philadelphia,Pa)的#211型手感测试仪,测定刚度或柔韧性。使用100g梁。对于样品,将样品切成50mm宽和长的正方形。样品应在样品的每个主要方向上切割,避免褶皱和皱纹。在四个位置(在每个方向上一个,并且在样品的每一侧各一个)测试样品,报告4个位置平均刚度。对于具有粘合剂材料的样品,将1密耳聚乙烯膜粘附至样品上以覆盖粘合剂。为了说明对用作覆盖物的1密耳聚乙烯膜的柔韧性的影响,单独测试1密耳膜的柔韧性。然后从没有覆盖膜的样品的柔韧性值中减去该柔韧性值。对于较厚的样品,可能需要切割尺寸小于50mm×50mm的样品,以使手感测试仪能够将样品压入狭槽中。
实施例
以下是本发明组合物的非限制性实施例。实施例的给出仅是为了举例说明之目的,不应被解释为是对本发明的限制,因为在不脱离本发明的实质和范围的情况下,其许多改变是可能的,这将被本领域的普通技术人员所认识到。
在实施例中,除非另外指明,所有浓度均以重量百分比列出,并且排除了次要物质,如稀释剂、填充剂等。因此,所列的制剂包括所列的组分以及与此类组分相关联的任何次要材料。对本领域普通技术人员来说显而易见的是,这些微量组分的选择将根据所选以制备如本文所述发明的具体成分的物理和化学特征而变化。
实施例1-5:化妆品组合物
使用常规配制技术,由这些实施例中的成分制备水包油乳液。首先,使用氮气将相A成分曝气约15分钟。研磨相B成分直至TiO2均匀分散,然后加入到相A中。接着使用螺旋桨型混合,并且将所述混合物加热至约75℃,将相C成分分散到相A/B中,直至均匀。在单独的容器,将相D成分合并并加热至约75℃。然后用缓慢、稳定的氮气流覆盖相A/B/C的混合物。接着,使用任何转子/定子类型的匀化器约15分钟,将相D成分均质化为相A/B/C的混合物。15分钟后,将混合切换至低rpm扫描混合。接着,将相E成分合并,并且加入到相A-D的混合物中。
将相E混合并且批料混合物均匀后,将整个批料混合物冷却。当5批料冷却至约50℃时,加入相F成分并且匀化。当批料冷却至约40℃时,将相G成分加入到批料混合物。最后,当批料混合物冷却至约30℃时,将相H成分合并至批料混合物中。继续混合直至批料混合物均匀。
将皮肤活性剂递送至皮肤目标区域。将上述组合物1、2、3、4和/或5通过指尖施用至人类测试受试者的面部眶周区域,以向皮肤目标区域提供约0.5mg/cm2至约3mg/cm2的化妆品组合物。此后,将用于处理眶周皮肤老化的示例性眼眶阻隔贴片附接至眶周区域,覆盖所述化妆品组合物。所述阻隔贴片是透明的,并且包括约150克的粘合剂剥离力,约3g/m2/24h的WVTR和约10克的柔韧性。施用本发明的阻隔贴片,并且佩戴约7-8小时的延长时间段,然后移除。本文方法以实现皮肤活性剂向角质层和/或表皮其它层(并且在许多实施方案中向基部表层和/或真皮)中的渗透的方式递送有效量的皮肤活性剂。
实施例6
进行了贴片原型3M 1525L(C)与一系列其它商业贴片材料的小基数消费者配对比较。商业贴片材料在WVTR、柔韧性和粘合剂剥离力值方面不同,如下表2中所示。所述材料包括购自3M的9776、9904、9916、2476P和2475P。
每个消费者通过指尖将化妆品组合物Olay Anti Wrinkle Results Eye Cream施用至他们面部眶周区域,将约0.5mg/cm2至3mg/cm2化妆品组合物递送至皮肤目标区域。在施用化妆品组合物后,测试受试者施用以下所列的一种阻隔贴片,并将其粘附至眶周区域,覆盖或重叠所述化妆品组合物。将阻隔贴片佩戴约7-9小时,一般在睡觉时过夜,然后移除。每5个连续日重复该方案。然后消费者回答关于舒适性、易用性和产品性能的问卷。
表2
对于除9776以外的所有其它贴片,消费者通过总评级得分优选具有352.4g的粘合力、14.2的柔韧性、和2.6的WVTR的1525L。然而,9776具有比具有106.5柔韧性的1525L明显较高的挺度,并且消费者评价9776穿着较不舒适。最柔韧的贴片2475P具有最低的得分。消费者很难将它处理和施用。
从而,提供具有粘附力、柔韧性和WVTR性质的适当平衡的阻隔贴片提供了优选的产品属性。水蒸气传输速率提供一定程度的吸留和皮肤水合;适当的柔韧性允许阻隔贴片贴合面部,并且不干扰睡眠,同时易于处理和施用;并且适当的粘附保持阻隔贴片在适当的位置,感觉舒适,并且易于去除。
本文所公开的量纲和数值不应被理解为严格限于所引用的精确值。相反,除非另外指明,否则每个这样的量纲旨在表示所述值以及围绕该值功能上等同的范围。例如,公开为“40mm”的量纲旨在表示“约40mm”。
除非明确地排除或以其它方式限制,否则本文所引用的每个文档,包括该申请要求其优先权或益处的任何交叉引用或相关的专利或申请和任何专利申请或专利,均全文以引用的方式并入本文。任何文献的引用不是对其相对于任何本发明所公开的或本文受权利要求书保护的现有技术的认可,或不是对其单独地或以与任何其它参考文献或多个参考文献的组合提出、建议或公开了任何此类发明的认可。此外,如果此文献中术语的任何含义或定义与以引用方式并入本文的文献中相同术语的任何含义或定义相冲突,将以此文献中赋予该术语的含义或定义为准。
虽然已经举例说明和描述了本发明的特定实施方案,但是对于本领域技术人员来说显而易见的是,在不脱离本发明实质和范围的情况下可作出多个其它改变和修改。因此,本文旨在所附权利要求中涵盖属于本发明范围内的所有此类改变和修改。
Claims (10)
1.一种处理皮肤的方法,包括:
a.向所述皮肤的目标区域施用包含有效量皮肤活性剂的化妆品组合物,优选地水包油乳液;
b.向皮肤的目标区域施用阻隔贴片,所述阻隔贴片包含:
具有第一表面的背衬层;
与所述第一表面接触的压敏粘合剂;
调节所述阻隔贴片的性质以具有:
50克至400克,优选地100克至200克的粘合剂剥离力;
1g/m2/24h至500g/m2/24h,优选地1g/m2/24h至250g/m2/24h,更优选地1g/m2/24h至180g/m2/24h,更优选地2g/m2/24h至20g/m2/24h的WVTR;
8克至40克,优选地10克至25克的柔韧性。
2.根据权利要求1所述的方法,其中所述压敏粘合剂选自丙烯酸和甲基丙烯酸酯均聚物或共聚物、丁基橡胶基体系、硅氧烷、聚氨酯、乙烯基酯和酰胺、烯烃共聚物材料、以及它们的组合。
3.根据权利要求1所述的方法,其中所述阻隔贴片部分或完全覆盖所述化妆品组合物。
4.根据权利要求1所述的方法,其中所述化妆品组合物和阻隔贴片保持与皮肤的目标区域接触4小时至24小时,优选地5小时至10小时的时间段。
5.根据权利要求1所述的方法,还包括步骤c.)将步骤a.至b.重复2周至12周。
6.根据权利要求1所述的方法,其中所述阻隔贴片具有1密耳至35密耳,优选地3密耳至15密耳的厚度,并且优选地所述粘合剂具有1密耳至5密耳的厚度。
7.根据权利要求1所述的方法,其中所述阻隔贴片还包括位于所述压敏粘合剂的表面上并且与所述背衬层相对的释放层。
8.根据权利要求1所述的方法,其中所述皮肤活性剂包含0.01%至10%的选自以下的皮肤活性剂:维生素E、维生素A、维生素B、棕榈酰-赖氨酸-苏氨酸、棕榈酰-赖氨酸-苏氨酸-苏氨酸-赖氨酸-丝氨酸、N-十一烷基-10-烯酰-L-苯丙氨酸、丙酸视黄酯、N-乙酰葡糖胺、维生素C、维甲酸、水杨酸、苯甲酸、过氧化苯甲酰、维甲酸、烟酰胺、甘油、乙酸生育酚酯、d-泛醇、以及它们的组合。
9.根据权利要求1所述的方法,其中所述阻隔贴片基本上不含非织造材料。
10.一种处理皮肤的方法,包括:
a.向所述皮肤的目标区域施用化妆品组合物,所述化妆品组合物包含具有有效量皮肤活性剂的水包油乳液,所述有效量的皮肤活性剂作为与阻隔贴片分离的组分提供;
b.施加所述阻隔贴片,所述阻隔贴片包括:
具有第一表面的背衬层;
与所述第一表面接触的压敏粘合剂;
调节所述阻隔贴片的性质以具有:
50克至350克的粘合剂剥离力;
1g/m2/24h至180g/m2/24h的WVTR;
8克至40克的柔韧性;并且
优选地调节所述阻隔贴片以提供35至120的水合值。
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- 2015-10-21 JP JP2017519913A patent/JP6542364B2/ja active Active
- 2015-10-21 JP JP2017519912A patent/JP6513800B2/ja active Active
- 2015-10-21 US US14/918,989 patent/US10897978B2/en active Active
- 2015-10-21 EP EP15788544.3A patent/EP3209388B1/en active Active
- 2015-10-21 CA CA2964000A patent/CA2964000A1/en not_active Abandoned
- 2015-10-21 CN CN201580057467.2A patent/CN107072886A/zh active Pending
- 2015-10-21 CN CN202210128656.6A patent/CN114617794A/zh active Pending
- 2015-10-21 WO PCT/US2015/056667 patent/WO2016065006A1/en active Application Filing
- 2015-10-21 CN CN201580057431.4A patent/CN107148261A/zh active Pending
- 2015-10-21 EP EP15790747.8A patent/EP3209389B1/en active Active
- 2015-10-21 CA CA2964012A patent/CA2964012C/en not_active Expired - Fee Related
- 2015-10-21 WO PCT/US2015/056670 patent/WO2016065008A1/en active Application Filing
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CA2964012C (en) | 2021-01-12 |
JP6513800B2 (ja) | 2019-05-15 |
WO2016065006A1 (en) | 2016-04-28 |
US20170042311A1 (en) | 2017-02-16 |
JP2018502606A (ja) | 2018-02-01 |
US20160107004A1 (en) | 2016-04-21 |
JP6542364B2 (ja) | 2019-07-10 |
EP3209388B1 (en) | 2019-09-25 |
JP2017532336A (ja) | 2017-11-02 |
EP3209389A1 (en) | 2017-08-30 |
CA2964012A1 (en) | 2016-04-28 |
CA2964000A1 (en) | 2016-04-28 |
EP3209388A1 (en) | 2017-08-30 |
US10897978B2 (en) | 2021-01-26 |
CN107072886A (zh) | 2017-08-18 |
WO2016065008A1 (en) | 2016-04-28 |
EP3209389B1 (en) | 2019-10-02 |
CN114617794A (zh) | 2022-06-14 |
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