Cosrx The Retinol 0.5 Oil – 20ML

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 samll 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 only 2~3 times a week at night
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 every other day at night
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.