Reduce hair for 100% of women Validated by experts to achieve visible results: for two, including the most, when you apply the texture. With pure retinol: act more effectively against derivatives and retinol. Formulated with retinol, such as acid and; free of, and oil-free. Keep it in a cool, well-ventilated place away from light. Develop the retinol serum so that the skin stays in its natural state; use SPF in the morning.