Experience the rejuvenating power of Biologique Recherche Lotion P50 1970. This cream exfoliating cleanser gently purifies and balances your skin for a radiant glow. P50 1970 gently exfoliates the skin, regulates excessive sebum secretion, moisturizes and helps maintain the epidermis’ acid pH. It prevents and treats in-growing hairs, and is therefore ideal for pre and post-shaving skin care. Lotion P50, the most famous and coveted product, is the keystone to Biologique Recherche skin care treatment. All Biologique Recherche skin care treatments, start with the P50 ritual. It is applied in the morning and in the evening.