Contraindications: allergy to any of the product ingredients. Product not suitable for pregnant and breastfeeding women. Warnings and recommendations: Use every other day for the first 2 weeks, then once a day, do not use on irritated skin and around mucous membranes, do not combine with other cosmetics containing AHA, BHA and retinol acids, when using the lotion, avoid the sun and use SPF 50 cream. Year-round use is permissible, however, before planned increased sun exposure, we recommend complete withdrawal about 4 weeks in advance, do not use at least 2 weeks before cosmetological treatments for the body, with particular emphasis on therapies based on the use of light. If you experience any adverse symptoms such as redness, burning, or itching of the skin, reduce the frequency of use or take a break from use until symptoms subside. Keep out of the reach of children.