A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 8/26 (2006.01) A61K 8/04 (2006.01) A61K 8/19 (2006.01) A61K 8/25 (2006.01) A61Q 1/02 (2006.01) A61Q 19/02 (2006.01)
Patent
CA 2505963
The present invention relates to topical compositions comprising (a)a transparent component; and (b) a non-interference platelet component having an average particle size of 25 m or less, the platelet exhibiting a light transmission value of about 20% to about 70%, and a light reflectance value of about 10% to about 20%. The compositions are useful in providing effective but sheer concealment to skin flaws, without the necessity of using large amounts of metal oxide pigments.
L'invention concerne des compositions topiques qui renferment (a) un composant transparent; et (b) un composant en plaquette non interférent dont les particules ont une taille moyenne inférieure ou égale à 25 µ, la plaquette présentant une valeur de transmission de la lumière comprise entre environ 20 % et environ 70 %, et une valeur de réflectance de la lumière comprise entre environ 10 % et environ 20 %. Les compositions considérées sont utiles car elles assurent un masquage efficace mais diaphane des défauts de la peau, sans qu'il soit nécessaire d'employer de grandes quantités de pigments d'oxyde métallique.
Cohen Isaac D.
Dreher John D.
Ivanjesku Maryanne
Mesfen Sharon
Mikhaylova Yelena
Color Access Inc.
Osler Hoskin & Harcourt Llp
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