Protocole The Retinol Pure 0.3% is a potent skincare serum designed to address visible signs of aging and improve skin texture. Formulated with pure retinol at a 0.3% concentration, this treatment works to promote cell turnover and support a more youthful, radiant complexion.Ideal for those seeking to incorporate retinol into their routine, this serum delivers targeted benefits while maintaining stability and efficacy. The concentrated formula helps reduce the appearance of fine lines, uneven tone, and surface imperfections over time.Best used in evening skincare routines, this product pairs well with moisturizers and sunscreen during the day. Start with lower frequency to allow your skin to acclimate to retinol’s effects. Suitable for mature skin and those with specific anti-aging concerns.