The Niacinamide 15 Serum, 0.67 oz.

$25.00

Product details

Web ID: 16056907

A highly concentrated serum that combines the maximum concentration of niacinamide with optimal ratios of synergistic ingredients for total acne control.

  • Product Features

    • WHAT IT IS:
    • A highly concentrated serum with 15% niacinamide
    • WHAT IT DOES:
    • Provides total acne care; non-comedogenic tested; doesn't clog pores
    • INGREDIENT HIGHLIGHTS:
    • Niacinamide provides total acne care by controlling sebum production, soothing acne inflammation and diminishing post-acne scars
    • N-Acetylglucosamine (NAG) works in synergy with niacinamide to effectively fade hyperpigmentation
    • Zinc PCA inhibits inflammation and promotes recovery of damaged skin
    • Allantoin promotes collagen synthesis to facilitate skin regeneration
    • SKIN TYPES:
    • Suitable for acne-prone skin
    • HOW TO USE:
    • After cleansing, during the serum phase, apply a few drops to the skin
    • Use fingertips to gently massage and absorb the serum, starting from the center of the face working toward the edges
    • This serum can be used in the morning and/or afternoon; if applied in the morning, be sure to use with SPF of 30 or higher
    • RESULTS:
    • 45.27% improvement of activated sebaceous glands*
    • 48.07% improvement of oil synthesis amount*
    • 42.72% improvement of number of blackheads*
    • 50% improvement of number of whiteheads*
    • 15.50% improvement of hidden melasma and blemishes*
    • 19.47% improvement of pigmentation (visible melasma and blemishes)*
    • 2.59% improvement of triple-complexion skin tone (brightness)*
    • 24.89% improvement of triple-complexion skin tone (redness)*
    • 11.73% improvement of triple-complexion skin tone (yellowness)*
    • *Based on clinical trials with 20 subjects; results in 4 weeks; Dermacosmetic Skin Science Laboratory Co., Ltd.

  • Shipping & Returns

    • This item qualifies for Free Shipping with minimum purchase! exclusions & details
    • California and Minnesota customers call 1-800-289-6229 for Free Shipping information.
    • For complete details, see our Shipping and Returns policies.

Ratings & Reviews

Here's what customers think
  • Many customers report this serum helps reduce the appearance of pores and control oil production.
  • Reviewers frequently mention improved skin texture, with skin feeling smoother and softer.
  • Some customers experienced reduced breakouts and clearer skin after using the serum.
  • Mixed feedback exists regarding the product's scent and whether it leaves a sticky residue.
  • A few customers with sensitive skin experienced irritation or breakouts.
AI-generated summary from 1,743 customers reviews.
4.5/5

1,758 star ratings, 1,751 reviews

Write a Review
1117
428
142
44
27

On average, customers rate the Oil-absorbing/moisturizing of this item as Neutral.

On average, customers rate the Heavy/light of this item as Neutral.

On average, customers rate the Best for day/best for night of this item as Best for night.

193 customer images

1,751 reviewssorted by Newest

Blessing O.
22 days ago
Incentivized review

I use this mostly for

I use this mostly for my night time skincare routine. This serum is great 👍. The texture is amazing. It has improved my skin appearance. Fading out dark spots and black heads. Give the skin a supple appearance.

Customer review from cosrx

Elvira I.
1 month ago
Incentivized review

I chose this serum because

I chose this serum because of its high quality ingredients and Cosrx's strong reputation The formula feels lightweight and absorbs easily. Since I have only recently started using it I would like to continue for at least a month to fully evaluate its long term results. So far my experience has been very positive.

Customer review from cosrx

Sara L.
1 month ago
Incentivized review

This serum helps keep my

This serum helps keep my skin clear! It has even helped get rid of some deposits by my eyes.

Customer review from cosrx

Patricia S.
2 months ago
Incentivized review

I’ve been using the niacinamide

I’ve been using the niacinamide for about 6 months and my dark spots have faded. It’s part of a skincare routine.

Customer review from cosrx

Yvette M.
2 months ago
Incentivized review

Nighttime routine

Serum feels light weight. It has helped with the lines on my face and the overall appearance of my skin. Love using it during my nighttime routine.

Customer review from cosrx

Yazmin C.
3 months ago
Incentivized review

Love this product, it really

Love this product, it really helps keep my acne under control.

Customer review from cosrx

Puja A.
4 months ago
Incentivized review

Its good

Its good

Customer review from cosrx

Susan C.
4 months ago
Incentivized review

I love the product, it

I love the product, it lighten up my skin ,fine wrinkles disappeared, moisturizes my skin for the whole day. Highly recommended.

Customer review from cosrx