81 — Sunday exfoliating serum

25ml+/- 3 months of usage

A potent twice-a-week exfoliant combining multiple skincare acids to fight dull skin, prevent blemishes and even out the skin tone.

In a clinical trial

9 out of 10 subjects said their skin looked more radiant after 4 weeks.

See full clinical trial

  • Glycolic acid - 7%

    An alpha-hydroxy acid (AHA) derived from sugar cane, formulated here at a potent 7%.

  • Gluconolactone - 5%

    A very gentle exfoliant (PHA) that naturally occurs in fruit, honey and wine.

  • Succinic acid - 2%

    An organic acid naturally occurring in plants with similar properties to the popular salicylic acid.

Don't miss out! Free shipping sitewide for all orders to Europe. Order before 10 PM in the Netherlands and Belgium for next day delivery. For other countries, orders will be dispatched within 48 hours.

Returns are free of charge. Products are eligible for return within 30 days of date of purchase.


For a limited time only, free shipping sitewide

Minimalist beauty
Made in Switzerland

Why it's special

Unlike physical scrubs, this serum uses a 14% blend of skincare acids to dissolve bonds between dead skin cells, efficiently removing them to reveal a smooth, radiant complexion. Combining new-kid-in-town Succinic Acid with more well known counterparts like AHA and PHA.

  • HOW

    Press the dropper and release 2-3 drops in the palm of your hand, on your finger tips or directly on a cleansed face, while avoiding the dropper to touch your skin for optimal hygiene. Gently massage or pat the liquid into your skin. Wait for the serum to fully absorb and follow with a moisturizer to lock all the good stuff in.


    A waterweight, transparent fluid that absorbs quickly into the skin.

  • WHEN

    Twice a week in the morning or evening, after cleansing and before moisturizing.

Download the app for personal guidance.

Exfoliants like AHA's can make your skin more sensitive to the sun. Make sure to use sun protection (up to two weeks) after using your exfoliant.

Combines well with


Leveraging the best of nature and science

Clean formulas

Formulated without ingredients shown or suspected to harm human or planet health

Local production

Co-created and manufactured with a boutique R&D lab in Switzerland