What is epidermis? It is now right to ask ourselves what the epidermis is, what new ideas about it we have acquired and why the old schemes must be basically modified. By epidermis, we mean the section embodied between the basal membrane (which separates it from the dermis) and the external surfa...

Tags Keratin, keratinocytes

Oils, waxes and their derivatives constitute a very large and important class of basic cosmetic and pharmaceutical raw materials. They are used mainly as vehicles and emollients for a very wide range of creams, lotions, ointments, lipidic gels, oils, pastes and soaps. Lanolin, mineral oil, petrolatu...

Research carried out at our laboratories was led to the finding of a major scientific datum which might influence future formulations engineered for the skin. It has been proven that the keratinocytes of the epidermis can autonomously produce stress hormones. More precisely, we ascertained that the ...

La prolifération, à but nutritionnel, d’huiles obtenues de différentes graines, et leur succes­sif déroutement (1989) à l’application cutanée, ne contribue certes pas à répondre à l’interrogation sur le linolénique et encore moins à changer le sort du triglicéride linoléïque. En effet, et sous un jo...

Vincent Van Gogh. At the plough As Jean Racine (1639-1699) wrote in the preface to his tragedy Berenice: "qu'ils se reposent sur nous de la fatigue d'éclaircir les difficultés (...)" (It is up to us to find a solution for the difficulties). In our case, fatigue to create a perfect emulsion without a...

Lanochemistry is a technological sector of primary and persistent cosmetic and dermopharmaceutical interest. It is based on wool fat and provides scores of lanolin derivatives after suitable purification, fractionating, extraction, hydrolysis, hydrogenation, ethoxylationacetylation, propoxylation, e...

The return to colour in cosmetic emulsions is not a plain return to "old fashion". Putting colour back into the cosmetic product is well accounted for since colour represents an important psychosensorial parameter. Formulators have gladly accepted this possibility to further complete their formulae....

SAFE AND ACTIVE MOLECULE FOR UPGRADED BODY CONTOUR COSMETIC MANAGEMENT The Topic of Discussion: Dermatology in Cosmetics Hydro-lipidic district dystrophia, commonly referred to as "cellulite" or orange peel skin, results from a defective lipid metabolism uneven texture; on palpation subcutaneous n...

Jean de la Fontaine (1621 - 1695) wrote in his Fables (IV, 16) that "Deux sûretés valent mieux qu'une et le trop en cela ne fut jamais perdu" (Two are better than one and any surplus never went lost). In our case, the task of providing the finished product with new safety features with regards to st...

Being the recipient of the feelings of anger without voicing them means to deceive someone who trusted you in a moment of dispair. How many cosmetic researchers complain of being the victims of idealess marketing people? The latter, instead of following t he evolution of the market, rather than aski...