COSRX – The Retinol 0.5 Oil – 20ml

– Highly concentrated 0.5% pure retinol No purified water or retinol derivatives.
– Formulated using 0.5% stabilized, pure retinol for powerful anti-aging care.
– Best for skin accustomed to retinol but still experiencing progressive signs of aging such as loss of elasticity and dryness.
– For intermediate-level retinol users looking for a highly concentrated, youth booster.
– Start small and slow!
– During evening care, apply 1 to 2 drops to hand and tap with fingertips from inside out, let absorb.
– Limit initial use to three times per week; gradually increase frequency to every other night, use as tolerated.
– Week 1~2 – Frequency : use only 2~3 times a week at night –