What is the challenge?

#cosRXchallenge #4weekNiacinamideChallenge

The Cosrx Niacinamide 15 Serum shows visible changes in just 4 weeks. Join the challenge to experience the changes yourself. Use the Cosrx Niacinamide 15 serum consistently for 4 weeks, share your results and win rewards!

About Cosrx Niacinamide 15 Serum

The Cosrx Niacinamide 15 Serum is a total skin care serum for breakouts, sebum control and blemishes. The serum uses 15% Niacinamide combined with N-Acetylglucosamine effectively fades dark spots and acne marks.

Recommended for

Rough & uneven skin texture

Oily & combination skin

Excessive sebum & pores

Customer Review

Holy Grail ⭐⭐⭐⭐⭐

"I bought this product because I struggle with a dullness in my face. After a week of this I legit feel like I have regained glow and colour to my skin! It has also been helping with texture "

How to participate

  1. Get Cosrx The Niacinamide 15 Serum
  2. Fill the form and upload your before photo
  3. Use Cosrx The Niacinamide 15 Serum consistently for 4 weeks
  4. Submit your after photo after 4 weeks
  5. Claim your reward