Biologique Recherche’s Lotion P50 launched more than 40 years ago and has become a cult favourite and one of my must-haves in skincare.

The legend of P50 starts in an unexpected place: with a love story. Before there was Biologique Recherche, there was Yvan and Josette Allouche — a biologist and physiotherapist, respectively. “My father was totally in love with my mother, all his life,” Dr. Philippe Allouche, Biologique Recherche’s co-owner and head of creation, and Yvan and Josette’s son, tells me. “He prepared products for her and for the patients at the clinics she ran in and around Paris.” Yvan came up with the formulation; Josette, a proponent of integrative medicine, came up with the application technique. “For her,” Dr. Allouche says, “the epidermis was the interface to connect to the rest of the body.”

P50 was not made to be beautiful, or glamorous, or to not smell like it’s been pickled. It was made to work. “My father understood that skin had to be respected, and he wanted to create something to rebuild the epidermis,” Dr. Allouche says. “He thought it would be better to have a gradual, soft exfoliation with acids that could also enrich the natural moisturizing factor in our skin.” True, exfoliating is something that the skin does naturally, as its own organic process, but it slows down with age. The Allouches wanted to create something to help speed it up while reinforcing the strength of the epidermis and the skin’s natural protective functions.

In 1970, Yvan Allouche created the first Lotions P50, exfoliating lotions for daily use. This unique, progressive, purifying, cleansing, reconditioning exfoliating care product helps the epidermis regain and express its original regenerative property. The cornerstone of BIOLOGIQUE RECHERCHE’s skincare system, Lotion P50 epitomizes our research into epidermal reconditioning, for a regenerated epidermis. Its name is derived from “P” for peeling and “50” because it takes 2 epidermal cycles, lasting 25 days on average, to achieve the first level of epidermal reconditioning required to purify the skin.

Because of its exfoliating, moisturizing, antiseptic properties and low pH, Lotion P50 is ideal for reconditioning the epidermis.

Lotions P50 are multi-functional products which combine the benefits of a purifying, exfoliating, moisturizing and toning lotion and help reconstitute the epidermal shield. The reinforced epidermis fully exerts its protective capabilities and promotes the skin’s auto-renewal potential.

30 years of research and experience have led to the development of a range of Lotions P50, with reinforced exfoliating and reconditioning properties, each adapted to a specific Skin.

Lotion P50

Lotion P50  is a multi-purpose lotion which exfoliates, purifies, cleanses, sanitizes and regenerates the epidermis. The cornerstone of Biologique Recherche’s epidermal reconditioning method, it is adapted to Seborrheic and/or Keratinized Skin.

Exfoliating active ingredients: Alpha Hydroxy Acids (AHAs); Beta Hydroxy Acid (BHA); Salicylic acid; Cider Vinegar; Polyhydroxy Acid (PHA); Phytic Acid; Sulfur.

Purifying active ingredients: Magnesium Chloride; Vitamin B3 (Niacinamide); Extracts of horseradish, Burdock, Myrtle, Myrrh, Onion.

Sebum Regulating active ingredients: Sorrel extract; Thyme essential oil.

Lotion P50V

Lotion P50V is a vitamin-enriched exfoliating lotion which gently purifies, tones, smoothes, moisturizes and helps maintain an acid pH. The cornerstone of Biologique Recherche’s epidermal reconditioning method, it is adapted to Devitalized Skin or Skin of lacking tone.

Exfoliating active ingredients: Alpha Hydroxy Acids (AHAs); Beta Hydroxy Acid (BHA); Salicylic acid; Cider Vinegar; Polyhydroxy Acid (PHA); Phytic Acid; Sulfur.

Purifying active ingredients: Magnesium Chloride; Vitamin B3 (Niacinamide); Extracts of Horseradish, Burdock, Capsicum.

Smoothing active ingredients: Extract of Sponges and Walnut.

Toning active ingredients: Extract of yeast

Lotion P50W

Lotion P50W is an exfoliating lotion which gently purifies, smoothes, moisturizes and rebalances the pH of the epidermis. The cornerstone of Biologique Recherche’s epidermal reconditioning method, it is adapted to Fine and/or Reactive Skin.

Exfoliating active ingredients: Alpha Hydroxy Acids (AHAs); Beta Hydroxy Acid (BHA): Salicylic acid; Cider Vinegar; Polyhydroxy Acid (PHA); Phytic Acid; Sulfur; Natural Moisturizing Factor reconstitutes (NMF).

Purifying active ingredients: Magnesium Chloride; Vitamine B3 (Niacinamide); Extract of  Horseradish, Burdock, Capsicum, Soapbark.

Smoothing active ingredients: Extract of Arnica.

Lotion P50 PIGM 400

Lotion P50 PIGM 400 is an exfoliating and lightening lotion that is ideal for dull complexions with hyperpigmentation marks. It promotes the reconditioning of the epidermis and helps regulate melanin synthesis while respecting and protecting the skin. This is a complete solution to reveal skin that is luminous and radiant with an even and lightened complexion.

Exfoliating active ingredients: Alpha Hydroxy Acids (AHAs); Beta Hydroxy Acid (BHA); Salicylic acid; Polyhydroxy Acid (PHA); Phytic Acid; Phytic Acis; Levulinic Acid; Extract of Australian Finger Lime.

Purifying active ingredients: Magnesium Chloride; Magnesium Sulfate; Meadowsweet extract.

Lightening and anti-dark active ingredients: Extract of Palmeria Palmata; complex of fruits titrated in  flavonoids and AHA’s.

Antioxydant active ingredients: Vitamine B3 (Niacinamide); Extract of Wasabi.

Lotion P50 Corps

Lotion P50 Corps is an exfoliating lotion which gently removes the superficial cells from the body’s horny layer. It stimulates the skin’s natural exfoliation, accelerates cellular renewal and enhances the action of the products used after its application.Scales are eliminated, the epidermis is purified, leaving the skin cleansed and rebalanced, ready to receive adapted treatments.

Exfoliating active ingredients: Alpha Hydroxy Acids (AHAs); Beta Hydroxy Acid (BHA);Gluconolactone; Cider Vinegar; Phytic Acid.

Purifying and Astringent active ingredients: Magnesium chloride; Vitamins B3 (PP); Extract of Meadowsweet.

Toning active ingredients: Extract of Birch Bark.

Lotion P50 Capillaire

Lotion P50 Capillaire reinforces the scalp’s natural exfoliation process to remove its impurities. Enriched with anti-dandruff and sebo-regulating active ingredients, it controls sebum secretions and reduces the size and quantity of dandruff. The scalp is therefore purified and soothed.

Exfoliating active ingredients: Alpha Hydroxy Acids (AHAs); Beta Hydroxy Acid (BHA); Cider Vinegar.

Purifying and sebum-regulating active ingredients: Magnesium chloride; Vitamins B3 (PP); Extract of Burdock, White dead-nettle, Pine Bark.

Anti-Dandruff active ingredients: Extract of Jujube.

Part of the text was taken from: https://www.refinery29.com/en-us/biologique-recherche-p50-review

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