By Kate Elliot, Esthetician

Lauded as a “facial in a bottle”, P50 is the hero product of the iconic French skincare line Biologique Recherche. P50 is known for its ability to balance the pH of the skin, purify the pores, and reveal a fresh, radiant complexion. 

This cult-classic toner is not one size fits all, though. To ensure that your skin receives the best results, Biologique Recherche has created six versions of P50 so that you can use the one best tailored to your skin type and concerns.

Lotion P50 1970

The most loved and widely used version of Biologique Recherche’s exfoliating lotions, it boasts a wide range of benefits creating an all-encompassing toner to regenerate and re-condition the skin with powerful AHA’s, BHA’s, botanicals, minerals, and vitamins. Ideal for normal, thicker, oily, acne-prone skin types looking for the highest level of actives in the range of lotions. It aids in speeding up cellular turnover, purifies the pores, balances the surface pH, fortifies the epidermis, and increases the efficacy of your skincare routine. Great for anyone struggling with blackheads, whiteheads, or acne due to the antiseptic and anti-inflammatory qualities of phenol. 

  • Not suitable for pregnancy
  • Due to the nature of the product, slight tingling is normal upon application.

Lotion P50

This multitasking liquid exfoliant gently purifies, balances, and re-conditions the skin. With higher concentrations of actives, Lotion P50 aids in increasing cellular turnover, regulating sebum production, and balancing the skin’s pH. The addition of antimicrobial sulfur and soothing botanicals make this ideal for normal, oily, thicker, and acne-prone skin types looking for more exfoliation and conditioning. With consistent use, the skin will begin to properly fulfill its protective functions and enhance self-regeneration. 

It is an essential step in any routine to increase the efficacy of your products while visibly improving the look and feel of the skin. Skin will be left more balanced, matte, smooth, and healthy. 

  • No phenol
  • This formula is safe for pregnancy and nursing

Lotion P50 V 1970

A vitamin-enriched version of the original, this medium-strength acid toner gently exfoliates dead skin, balances the skin’s pH, regulates oil production, and adds hydration. With more botanical extracts, this lotion is ideal for normal, dry, mature, and devitalized skin types in need of replenishing lipids, and restoring the skin’s barrier function. The yeast extract that is specific to the P50V formulas improves the appearance of fine lines and the texture of the skin. With the addition of phenol in this 1970 version, you are also given more antiseptic and anti-inflammatory qualities as well. With continued use, the skin will be noticeably more balanced, hydrated, plump, and soft. 

  • Contains phenol.
  • Not recommended for pregnancy and/or breastfeeding

Lotion P50V

A vitamin-enriched version of the original, this medium-strength acid toner gently exfoliates dead skin, balances the skin’s pH, regulates oil production, and adds hydration. With more botanical extracts, this lotion is ideal for normal, dry, mature, and devitalized skin types in need of replenishing lipids and restoring the skin’s barrier function. The yeast extract that is specific to the P50V formulas improves the appearance of fine lines and the texture of the skin. With continued use, the skin will be noticeably more balanced, hydrated, plump, and soft. 

  • No phenol
  • This formula is safe for pregnancy and nursing

Lotion P50 PIGM 400

Lotion P50 PIGM is a brightening and exfoliating formula enriched with vitamins to prevent and correct pigmented or dull complexions. Skin is left more luminous, bright, and even. 

This complete solution helps to recover luminous and radiant skin with a bright and unified complexion. This formula enhances epidermal renewal and helps regulate melanin synthesis while respecting and protecting the skin. It removes dead cells and impurities, enhances epidermal renewal, reduces the size of and prevents pigmentation marks, inhibits melanin synthesis, improves the strength and quality of the epidermis, balances pH on the skin’s surface, and improves the efficacy of the rest of your routine. 

  • No phenol 
  • This formula is safe for pregnancy and nursing

Lotion P50 W

The most gentle of the Lotion P50 formulas; best suited for reactive, sensitive, or thin skin. Specifically formulated with arnica and natural moisturizing factors to give a healing and soothing effect to the skin. This version gently exfoliates with PHA’s and AHA’s, balances the skin’s pH, strengthens barrier function and skin tolerance, hydrates, as well as soothes inflammation. The epidermis will become more fortified and begin to reconstruct its protective functions. Skin will be more calm, even textured, and hydrated with consistent use. 

  • No phenol 
  • Suitable  for pregnancy and nursing
@rescuespa your guide to Lotion P50🤌 #biologiquerecherche #lotionp50 #skincare #skincareroutine #skincaretips #skintok #toner ♬ Lucky Girl – Carlina

With six different Lotion P50 formulas to choose from, there is one for everyone. If you are still unsure, contact us at Shop@rescuespa.com and we would be happy to help you choose the perfect formula for you!


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