COSRX The Vitamin C 13 Serum 20ml SUNSCREENS or Concentrated Ginseng Renewing Cream

or Concentrated Ginseng Renewing Cream as more intensive anti-aging cream step

Pinus Densiflora Extract

Paula's Choice as toner for layered acid treatment

The inclusion of niacinamide and hyaluronic acid means brighter

How long until I see results

COSRX The Vitamin C 13 Serum 20ml SUNSCREENS or Concentrated Ginseng Renewing CreamCOSRX The Vitamin C 13 Serum: An Entry Level L Ascorbic Acid for Brightening Beginners COSRX's Vitamin C 13 Serum sits at the gentler end of the pure L ascorbic acid category. At 13% L ascorbic acid, this is a true vitamin C serum, not the more stable ascorbyl derivatives that many K beauty brands hide behind. It's formulated specifically for users who want measurable brightening and antioxidant protection but aren't ready to tolerate a 20%