No.5 Vitamin Concentrated Serum

An extract from the fruit of Vaccinium vitis-idaea (lingonberry) rich in anthocyanins, flavonoids, and vitamin C providing antioxidant, brightening, and anti-inflammatory benefits.

A versatile vitamin B3 derivative with multiple benefits.

Pro-vitamin B5 that soothes and hydrates.

A brightening active particularly effective on stubborn pigmentation.

A sugar alcohol humectant derived from glucose that draws moisture into the skin and improves product texture.

A probiotic-derived ferment lysate that supports the skin barrier and protects against oxidative stress.

An extract from Chondrus crispus (Irish moss), a red alga rich in carrageenan polysaccharides and minerals, used as a hydrating, film-forming, and soothing ingredient.

An extract from sugarcane (Saccharum officinarum) that naturally contains glycolic acid and polysaccharides, providing mild exfoliation and humectant moisture retention.

A gentle brightening agent that inhibits pigment formation.

The salt form of hyaluronic acid; penetrates more readily.

Neem flower extract used to soothe and condition the skin.

An extract of holy basil (tulsi) leaves rich in antioxidant and soothing compounds.

Neem leaf extract, traditionally used to calm and condition blemish-prone skin.

An extract of turmeric root rich in curcumin, offering antioxidant and soothing benefits.

A mineral-rich red algae extract used to hydrate and condition the skin.

A mushroom-derived polysaccharide humectant with a small particle size for lightweight hydration.

A gold-standard humectant that draws water into the skin.

An ether derivative of L-ascorbic acid in which the 3-OH position is protected by an ethyl group, making it stable in water-based formulas. Converts to Vitamin C inside skin cells. Used widely in Japanese brightening products (Shiseido, Elixir) as a quasi-drug-adjacent brightening active.

A chamomile-derived soothing agent.

A nucleoside used at low concentrations to help smooth the look of fine lines; a common K-beauty anti-aging active.

A gentle soothing and skin-conditioning agent.

A tripeptide antioxidant valued in skincare for its skin-brightening and free-radical-scavenging effects.

A skin-identical lipid that rebuilds the barrier.

A polysaccharide humectant that hydrates and calms; often compared to hyaluronic acid.

A licorice-root-derived salt that calms inflammation and soothes irritated, reactive skin.

Vitamin E; a lipid-soluble antioxidant that also conditions skin.

Pure vitamin C; a potent antioxidant and brightener.

A stable, water-soluble vitamin C derivative that converts to ascorbic acid in skin. Gentler and more shelf-stable than pure L-ascorbic acid.

The stable ester form of vitamin E that converts to active tocopherol in skin; a common, shelf-stable antioxidant.

An antioxidant naturally found in skin cells.

Alpha-lipoic acid, a fast-acting antioxidant that is both water- and fat-soluble, letting it work throughout the skin to neutralize free radicals.