# NAC Y2

Page: https://lovi.care/skincare/uk/ingredients/nac-y2

The Lovi Fit is the same in every country; only the stores and prices differ, and the ones here are for the United Kingdom.

This potent antioxidant formula delivers visible radiance and renewal while deeply supporting skin resilience. Designed for most skin types, it absorbs seamlessly in lightweight daily [serums](https://lovi.care/skincare/uk/ingredients/serum). It also layers easily into your existing skincare routine.

This page shows NAC Y2 products with a Lovi page. For every product, and a routine built for your skin, use the Lovi app.

## All NAC Y2 products

- 111SKIN · Serum or Treatment: [Y Theorem Repair Light Serum NAC Y2](https://lovi.care/skincare/uk/p/111skin/y-theorem-repair-light-serum-nac-y2/for/combination-skin)

## Questions and answers

### What does NAC Y2 do for the skin?

NAC Y2 helps protect the skin against environmental stressors and may support a more youthful appearance. Lovi rates this ingredient as having a High fit for antioxidant benefits.

### How do you use NAC Y2?

NAC Y2 may be used as part of your regular skincare routine to help support skin health. Follow the specific product instructions for the best frequency of application.

### Should you use NAC Y2 in the morning or at night?

You can use NAC Y2 both in the morning and at night as part of your daily skincare routine.

### Can you use NAC Y2 every day?

Yes, you can use NAC Y2 every day as part of your regular skincare routine. It helps protect and support your skin with consistent daily use.

### Does NAC Y2 cause purging or irritation?

NAC Y2 does not cause purging. It is unlikely to cause irritation and helps support skin health.

### Which skin types is NAC Y2 best for?

NAC Y2 is best for all skin types, particularly stressed or aging skin, as it helps protect and revitalize the complexion.

## Brands with NAC Y2

- British skincare: [111SKIN](https://lovi.care/skincare/uk/brands/111skin)

## About the Lovi Fit

Lovi: Unbiased, science-based skincare AI trained on real user outcomes.

Lovi checks every ingredient with brand-independent rules its dermatologists and cosmetic chemists build and review, and personalizes every pick with AI trained on the real results of millions of users. Lovi trains its fit score models on a proprietary dataset built from more than 10,000 expert-labeled products and more than 100,000 simulated examples, following an internally consistent methodology presented at Cosmoprof, AMWC, and Skin of Color Update. Levels from best to worst: Superior, High, Average, Low, Caution, Warning.

Behind this ingredient guide: Nadia Kapleva, MS (Co-founder, Medical Director); Alexey Shagraev, PhD (Co-founder, CEO and CTO); Dr. Sofía Perea Pérez, MD, MSc (Medical Board); Aishani Shah, MD (Medical Board); Asya Zubkova, MS (Medical Board); Hanna Kurets, MD (Medical Board, Medical Advisor); Elina Nazarenko, MD (Medical Board); Victoria Derkova, MS (Medical Board).

Page built Nov 8, 2026.

More from Lovi: https://lovi.care/skincare/llms.txt

## This page in other countries

- United States: https://lovi.care/skincare/ingredients/nac-y2
- United Kingdom: https://lovi.care/skincare/uk/ingredients/nac-y2 (this page)
- Ireland: https://lovi.care/skincare/ie/ingredients/nac-y2
- Germany: https://lovi.care/skincare/de/ingredients/nac-y2
- France: https://lovi.care/skincare/fr/ingredients/nac-y2
- Italy: https://lovi.care/skincare/it/ingredients/nac-y2
- Netherlands: https://lovi.care/skincare/nl/ingredients/nac-y2
- Spain: https://lovi.care/skincare/es/ingredients/nac-y2
- Canada: https://lovi.care/skincare/ca/ingredients/nac-y2
- Australia: https://lovi.care/skincare/au/ingredients/nac-y2
- Singapore: https://lovi.care/skincare/sg/ingredients/nac-y2
- Saudi Arabia: https://lovi.care/skincare/sa/ingredients/nac-y2
- United Arab Emirates: https://lovi.care/skincare/ae/ingredients/nac-y2