Amazon Ratings and Reviews

111SKIN Y Theorem Repair Light Serum NAC Y2

$39.99

$350 89% off Reference Price

style: Repair Light Serum

Top positive review

Quality Serum, Good Hydration, Improve My Skin's Texture.

By Aina on Reviewed in the United States on April 22, 2025

I tried this Repair Serum from 111SKIN for a week now, I personally like it. I am at the end of my 30s and ever since I had my baby, because I am so lack of sleep, I do notice my skin looks noticeably dull now. I use this serum everyday 2 times, once in the morning and once before the bedtime. I apply the serum after my regular skin moisturizer. One week after I used this serum, I think I definitely can see a little improvement on my skin already. The serum has a thick gel type of texture, you don't need a lot every time when you apply. Take myself as an example, 2 drops of the serum will give a full coverage on my face. It is easy to spread around and absorption feels quick as well. Right after application, the first thing I can tell is my skin feels well hydrated, this serum has a good hydration for sure. The improvement I noticed is my skin's texture seems a little finer now and my skin overall doesn't look as tired as before. Even the improvement is a little, I am pretty happy already after just one week usage. Overall, I think this serum works well for me and I think it is a good quality serum. I have no issue with this serum and will continue using it every day.

Top critical review

See all 1 critical reviews

Good serum, but VERY expensive, and not remarkable

By D. Tobin on Reviewed in the United States on February 24, 2025

111SKIN's Repair Serum NAC Y2 is a wonderful serum....but....at over $300/ounce, it should make me look 20 years younger, melt unwanted pounds, and do the dishes. The Repair Serum contains a proprietary ingredient that repairs and protects skin by increasing its antioxidant levels and improving elasticity. Additional antioxidants, Pink Rock Rose Extract and Centella Asiatica, claim to reduce inflammation, smooth skin and increase hydration. Calendula Officinalis is touted to soothe skin. I have dry, sensitive, rosacea prone skin and this did not cause any irritation. It smooths on beautifully and leaves no sticky residue. Water, glycerin, and alcohol are in the first five ingredients, which are not revolutionary ingredients. It also contains fragrance, which can be irritating for some and seems unnecessary. Overall, a lovely serum that feels good going on and leaves my skin soft and hydrated. However, I have found other products that work as well for 10% of the cost. I will not repurchase but will enjoy every last drop. Two stars off for the high price.