• High-concentration facial serum with 1% retinol to fight aging. • Improves the appearance of fine lines, wrinkles, and collagen loss. • Evens out skin texture and tone through a powerful renewing formula. • Enriched with squalane to nourish and reduce dryness associated with retinol. • Specifically indicated for users who have already developed tolerance to retinol. • Requires mandatory use of sun protection during the day. • The product must be refrigerated after opening and used within three months.