The D'Donna 10102c retinol serum is designed to improve skin texture by regulating sebum production, reducing wrinkles, diminishing pigmentation spots, and increasing skin firmness. Formulated with retinol, it specifically targets expression lines and absorbs easily. Instructions for use: Apply a small amount of serum to clean, dry skin in the evening, avoiding the eye area. Use sunscreen during the day. In case of irritation or redness, reduce the frequency of use or temporarily discontinue application. According to the indicated composition, this serum contains, among other things, aloe vera extract, glycerin, and retinol. It is important to note that this product received a score of 6.7 out of 20 on the INCI Beauty site, suggesting that its composition could be improved. For better-rated retinol serum alternatives, you can consult recent comparisons.