What is BS EN 16956 - Cosmetics - Analytical methods - HPLC/UV method about?
BS EN 16956 is applicable to cosmetics.
BS EN 16956 specifies a HPLC/UV method for the identification and quantification of hydroquinone, 3 ethers of hydroquinone and 4 corticosteroids most frequently found in illegally sold skin whitening cosmetic products: clobetasol propionate, betamethasone dipropionate, fluocinonide and fluocinolone acetonide.
BS EN 16956 also gives HPLC/UV methods for the identification of 38 corticosteroids that may be found in skin whitening cosmetic products (see Annex D).
Note -
BS EN 16956 is not dedicated to artificial nail products or soaps.
Who is BS EN 16956 - Cosmetics - Analytical methods - HPLC/UV method for?
BS EN 16956 on HPLC/UV method for the identification and assay of hydroquinone, ethers of hydroquinone and corticosteroids in skin whitening cosmetic products is useful for:
- Manufacture of cosmetic products 
- Retailers and suppliers for cosmetics  
- Companies dealing with cosmetic products for lightening the skin
- Testing laboratories of HPLC/UV tests
Why should you use BS EN 16956 - Cosmetics - Analytical methods- HPLC/UV method?
The cosmetic directive 95/32/EC [2] gives an analytical method for the assay of hydroquinone and 3 of its ethers (hydroquinone monomethylether (MME), hydroquinone monoethylether (MEE) and hydroquinone monobenzylether (MBE)) in cosmetic products for lightening the skin.
BS EN 16956 describes an HPLC/UV method for the identification and assay of hydroquinone, ethers of hydroquinone and corticosteroids in cosmetic products.
BS EN 16956 will help you to extract compounds present in the product and filter the obtained mixture. That will help the quantitation of present compounds in a solution that is made by reversed-phase HPLC with DAD (Diode Array Detector) detection.
