Cosmetic use of the essential oil of laserpitium siler l. against the signs of aging of the skin and as a skin antioxidant

Abstract

The present invention relates to the cosmetic use of the essential oil of Laserpitium siler L., as an active agent for preventing and/or treating the signs of aging or photoaging of the skin and as an antioxidant. It also targets a method for cosmetic treatment of the skin in order to combat the signs of skin aging or photoaging and/or to prevent and/or treat skin disorders induced by an oxidative stress and also a composition comprising an essential oil of Laserpitium siler L.

1 . A cosmetic and/or dermatological composition comprising an essential oil of  Laserpitium siler  L. in the form of an aqueous or aqueous-alcoholic solution, an optionally two-phase lotion-type dispersion, an oil-in-water or water-in-oil or multiple emulsion, an aqueous gel, a powder, a gelled or non-gelled oil, a serum, a paste or a flexible stick, wherein said essential oil is obtained from leaves and/or umbels and/or seed-bearing umbels and/or seeds of the fruits of  Laserpitium siler  L.; wherein said essential oil of  Laserpitium siler  L. comprises limonene in an amount ranging from 40% to 80% by weight relative to the total weight of said essential oil, perillaldehyde in an amount ranging from 15% to 40% by weight relative to the total weight of said essential oil, and chamazulene in an amount of up to 5% by weight relative to the total weight of said essential oil; and wherein said essential oil of  Laserpitium siler  L. is present in a content ranging from 0.0001% to 10% by weight relative to the total weight of the composition. 
     
     
         2 . The composition according to  claim 1 , wherein said essential oil of  Laserpitium siler  L. comprises limonene in an amount of ranging from 50% to 70% by weight relative to the total weight of said essential oil, perillaldehyde in an amount ranging from 20% to 35% by weight relative to the total weight of said essential oil, and chamazulene in an amount of up to 2% by weight relative to the total weight of said essential oil. 
     
     
         3 . The composition according to  claim 1 , wherein said essential oil of  Laserpitium siler  L. is present in a content ranging from 0.001% to 1% by weight relative to the total weight of the composition. 
     
     
         4 . The composition according to  claim 1 , wherein said essential oil of  Laserpitium siler  L. is present in a content ranging from 0.01% to 0.5% by weight relative to the total weight of the composition. 
     
     
         5 . The composition according to  claim 1 , which is devoid of ellagic acid and/or ellagic acid derivatives. 
     
     
         6 . The composition according to  claim 1 , which is devoid of a 2-alkoxy-4-alkylketonephenol compound. 
     
     
         7 . The composition according to  claim 1 , being a skincare product selected from the group day creams, night creams, makeup-removing creams, anti-sun compositions, protective or care body milks, after-sun milks, skincare lotions, gels, foams, artificial tanning compositions, and aftershave compositions. 
     
     
         8 . The composition according to  claim 1 , which comprises an adjuvant selected from the group of sequestrants, odor absorbers, UV screening agents, fragrances, matting agents, fluorescent agents, soft-focus fillers, abrasive fillers, exfoliants, and mixtures thereof. 
     
     
         9 . The composition according to  claim 1 , which comprises at least one additional active agent or supplementary compound selected from the group of a metalloproteinase (MMP) inhibitor, a photoprotective agent, a moisturizer, a humectant, a myorelaxant or relaxant, an agent that stimulates the synthesis of collagen, an agent that stimulates the synthesis of elastin, an agent that stimulates the synthesis of glycosaminoglycans, an agent that stimulates the synthesis of fibronectin, an agent that stimulates fibroblast proliferation, an agent that stimulates keratinocyte proliferation and/or differentiation, a supplementary antioxidant, a desquamating agent, an agent that improves the barrier function, a depigmenting agent, an agent that promotes the maturation of the horny envelope, an agent that promotes the microcirculation of the skin or scalp, a calmative or anti-irritant, an astringent, an agent for combating hair loss, and an antidandruff agent. 
     
     
         10 . The composition according to  claim 9 , wherein the at least one additional active agent or supplementary compound represents from 0.0001% to 20% by weight relative to the total weight of the composition.