The gold-standard antioxidant serum that defends against environmental pollution and repairs radical skin damage.

Free radicals from UV rays, pollution, and blue light cause progressive skin damage that leads to premature aging, loss of elasticity, and stubborn redness. Skinbetter Science® Alto Advanced Defense and Repair Serum® is a supercharged, medical-grade antioxidant treatment engineered to go beyond traditional Vitamin C serums by offering comprehensive 360-degree protection and cellular repair.

Powered by patented WEL by Skinbetter Science® technology: combining 19 powerful internal and external antioxidants, and the new, proprietary TAP Technology, this silky serum neutralizes oxidative stress, supports cellular energy, and noticeably improves skin brightness, redness, and overall texture.

Key Benefits:

• Comprehensive Environmental Defense: Shields skin against free radical damage caused by UV radiation, ozone, pollution, and high-energy visible (HEV) blue light.

• Repairs Free Radical Damage: Proprietary TAP technology supports natural cellular repair mechanisms to undo the visible signs of oxidative stress.

• Calms & Reduces Redness: Noticeably decreases surface redness and inflammation to promote an even, balanced skin tone.

• Enhances Luminosity & Clarity: Brightens dull, fatigued complexions and improves overall skin clarity and smoothness.

• Non-Irritating Vitamin C Complex: Delivers high-potency antioxidant protection without the sting, redness, or stability issues of traditional L-ascorbic acid.