Method of making up with light-sensitive makeup in which an optical agent is used to protect the result obtained

Abstract

The present invention provides a method of making up human keratinous material with light-sensitive makeup, in which method: a thermally stable photochromic first composition comprising a photochromic agent capable of being developed under the effect of radiation of wavelength λ is applied to the keratinous material; the first composition is exposed to said radiation to develop the photochromic agent and create a light-sensitive makeup look; and the thermally stable photochromic composition is, at least temporarily and at least in part, before or after being exposed to said radiation, covered by a photoprotective layer, exposure to said radiation for developing the photochromic agent being performed through the photoprotective layer when said layer is applied before the thermally stable photochromic composition is exposed to said radiation, in order to create a light-sensitive makeup look.

1 . A method of making up human keratinous material with light-sensitive makeup, the method comprising:
 applying to the keratinous material a thermally stable photochromic first composition comprising a photochromic agent developable by radiation of a wavelength λ;   exposing the first composition to said radiation to develop the photochromic agent and create a light-sensitive makeup look;   wherein:   the thermally stable photochromic composition is, at least temporarily and at least in part, before or after being exposed to said radiation, covered by a photoprotective layer, and   exposure to said radiation for developing the photochromic agent being performed through the photoprotective layer when said layer is applied before the thermally stable photochromic composition is exposed to said radiation.   
     
     
         2 . The method according to  claim 1 , wherein the photoprotective layer comprises a second composition comprising an optical agent that forms a screen to said radiation. 
     
     
         3 . The method according to  claim 2 , wherein the photoprotective layer is formed by applying a second composition, causing an optical agent present in the first composition in an inactive or in a precursor state to become active in order to screen said radiation. 
     
     
         4 . The method according to  claim 1 , wherein the photoprotective layer comprises a coating that is transparent, at least in part. 
     
     
         5 . The method according to  claim 1 , wherein said radiation is UV radiation and the photoprotective layer screened the UV radiation and/or the near UV radiation. 
     
     
         6 . The method according to  claim 5 , wherein the photoprotective layer has a solar UV radiation screening power F that is greater than 2. 
     
     
         7 . The method according to  claim 6 , wherein the screening power F is greater than 3. 
     
     
         8 . The method according to  claim 6 , wherein the screening power F is greater than 5. 
     
     
         9 . The method according to  claim 6 , wherein the screening power is greater than 10. 
     
     
         10 . The method according to  claim 1 , wherein the photoprotective layer is applied before the first composition is exposed to said radiation. 
     
     
         11 . The method according to  claim 2 , wherein the optical agent is an optical diffusing agent. 
     
     
         12 . The method according to  claim 2 , wherein the optical agent is colored. 
     
     
         13 . The method according to  claim 2 , wherein the optical agent is colorless. 
     
     
         14 . The method according to  claim 2 , wherein the optical agent is fluorescent. 
     
     
         15 . The method according to  claim 1 , wherein the photoprotective layer is configured to screen a second radiation that is capable of returning the photochromic agent to a non-developed state. 
     
     
         16 . The method according to  claim 1 , wherein the photoprotective layer comprising a peelable cohesive coating. 
     
     
         17 . A kit comprising, within a single packaging:
 a thermally stable photochromic first composition comprising a thermally stable photochromic agent capable of being developed by exposure to radiation of wavelength λ;   a photoprotective second composition or a garment that is transparent, at least in part, for application to the first composition, and including an optical agent that screens said radiation of wavelength λ; and   an irradiator for creating a light-sensitive makeup look.   
     
     
         18 . The kit according to  claim 17 , wherein:
 the photochromic agent is selected from the group consisting of diarylethenes and thermally stable fulgides,   the photochromic agent is developable by exposure to UV radiation, and   the optical agent forms a screen to UV radiation.   
     
     
         19 . The kit according to  claim 18 , wherein the second composition has a solar UV radiation screening power F of 2 or more. 
     
     
         20 . The kit according to  claim 17 , further comprising a system for informing a user about an intensity of said radiation of wavelength λ in ambient lighting.