COSRX The Retinol 0.5 Oil 20ml

About The Product

COSRX The Retinol 0.5 Oil is 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. 

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.
• Week 1-2
  Use only 2~3 times a week at night 
  After cleansing, at the serum step, apply 1-2 drops to areas of concern. e.g. under eyes, mouth, forehead and neck
• Week 3:
  May apply every other day at night
  After cleansing, at the moisturizer step, may spread over the entire face.