Repair Serum NAC Y²

What it is: A serum powered by 111SKIN's proprietary NAC Y² complex that future-proofs skin to help combat early signs of aging.

Who it's for: Ideal for all skin types.

What it does: Formulated with surgical precision by Dr. Yannis Alexandrides and powered by 111SKIN's proprietary NAC Y²™ complex, this antioxidant-rich serum delivers actives deep into the epidermis to help plump, smooth and restore healthy skin in two weeks. Upon application, the cooling, velvety texture absorbs effortlessly into skin, leaving it feeling immediately nourished, softer and more hydrated. Over time, the restorative effects of this serum reduce redness, rebuild and reinforce the skin barrier, and accelerate cellular repair by boosting glutathione—the body's master antioxidant.

Key ingredients:

- NAC Y²: a trio of actives with superior antioxidant capabilities that harness the power of glutathione, vitamin C and escin to boost the body's natural ability to repair its cells at the deepest level. Featuring new and advanced encapsulation technology to supercharge the benefits by 4x vs. the original formula and formulated to restore even the most sensitive skin

- Escin: an active compound that naturally boosts the body's ability to calm inflammation, found in the form of horse-chestnut extract and known for assisting in the reduction of dark spots and redness/rosacea

- Niacinamide: brightens and evens skin tone, rebalances pigmentation

- Pink rock rose extract: an active known for its anti-inflammatory, smoothing properties that helps reduce the appearance of fine lines

- Calendula officinalis: harnessed for its soothing powers on sensitive and irritated skin. It helps reduce trans-epidermal water loss for hydrated, plump skin

- Centella asiatica: a potent antioxidant known for its ability to help treat cuts and wounds and provide intense hydration. When used in skin care, this active helps to improve the condition of skin and fortify the epidermal barrier

Research results:

In a consumer trial on 100 participants after two weeks of twice-daily product usage:

- Proven to restore healthy skin in two weeks

In a 48-hour clinical trial of 30 participants, using a Tewameter to assess transepidermal water loss:

- The serum was clinically proven to reinforce the skin barrier for up to 48 hours

In a 48-hour clinical trial of 18 participants using a Corneometer to assess skin hydration:

- The serum instantly increased hydration levels by 165%

How to use: After cleansing, distribute 1–2 pumps of the serum between fingertips and apply to your face and neck in upward, circular motion every morning and evening before using 111SKIN Day Cream NAC Y²™ (sold separately).