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Certain combinations of active ingredients are not advised, like exfoliating ingredients (AHA, BHA, PHA) and retinoids. These should not be applied at the same time. We also recommend that you do not apply several products containing the same active ingredient at once.

When a product is not compatible with other existing products, this will be indicated on the product page under “Precautions”. If no contraindication is given on the page, that means they are safe to use together.

Please note that any contraindications you may find on other sites or products of other brands will not apply to our products. Each brand has its own formulations and will carry out its own compatibility tests among its catalog.