A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 8/63 (2006.01) A61K 8/06 (2006.01) A61K 31/565 (2006.01) A61Q 5/06 (2006.01) A61Q 5/10 (2006.01) A61Q 17/00 (2006.01) A61Q 19/02 (2006.01) A61Q 19/08 (2006.01)
Patent
CA 2455358
The invention concerns a composition containing DHEA and/or its precursors or chemical and/or biological derivatives, characterised in that the composition is an invert emulsion containing a dispersed glycol or hydroglycol hydrophilic phase, a continuous lipophilic phase and a emulsifier with HLB ranging between 2 and 7. Said invert emulsion enables to prevent recrystallization of DHEA while having good stability and skin tolerance.
La présente invention concerne une composition contenant de la DHEA et/ou ses précurseurs ou dérivés chimiques et/ou biologiques, caractérisée en ce que la composition est une émulsion inverse contenant une phase hydrophile dispersée glycolique ou hydroglycolique, une phase continue lipophile et un émulsionnant de HLB compris entre 2 et 7. Cette émulsion inverse permet d'éviter la recristallisation de la DHEA tout en ayant une bonne stabilité et en étant bien tolérée.
Astruc Fanny
Fredon Laurent
Orsoni Sandrine
Richart Pascal
Simonnet Jean-Thierry
Galderma Research & Development
Galderma Research & Development S.n.c.
Robic
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