[COSRX] The Retinol 0.5 Oil - 20ml (NEW)

[Description]

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. Feel the benefits of Retinol without irritation. (*Based on clinical trials- 30 subjects completed the test.).

[How to use]

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. * Have an ‘adaption period’ when using retinol WEEK 1~2 • Frequency : use every other day at night • How to Use : After cleansing, at the moisturizer step, apply 1-2 drops to areas of concern. e.g. under eyes, mouth, forehead and neck WEEK 3~ • Frequency : may apply everyday at night • How to use : After cleansing, at the moisturizer step, may spread over the entire face. * The "building tolerance" phase can be shortened or extended depending on individual differences. * Maintain this phase until no discomfort is experienced. * Gradually increase frequency and areas of application.

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