What skin types is Tetrahexyldecyl Ascorbate good for?

Tetrahexyldecyl Ascorbate is suitable for all skin types.

What can you mix with Tetrahexyldecyl Ascorbate?

Tetrahexyldecyl Ascorbate works well with Niacinamide, Vitamin E, Ferulic Acid, Retinol. These combinations are generally safe and can enhance results.

Is Tetrahexyldecyl Ascorbate safe to use every day?

Tetrahexyldecyl Ascorbate can generally be used in the evening. Recommended concentration: 1–10% in formulations.

Tetrahexyldecyl Ascorbate

Tetrahexyldecyl Ascorbate

Also known as: THDA · Ascorbyl Tetraisopalmitate · Oil-soluble Vitamin C

AntioxidantBrighteningAnti-aging

“A highly stable, oil-soluble Vitamin C that penetrates deeper and doesn't oxidise.”

Skin types

All types

Pore-clogging

Non-comedogenic

Use when

Evening

Concentration

1–10%

What it does

Tetrahexyldecyl ascorbate is a lipid-soluble ester of Vitamin C that penetrates the skin more deeply than water-soluble forms. It is highly photostable, does not oxidise in the jar, and converts to ascorbic acid after absorbing into the skin. It delivers all the benefits of Vitamin C with superior stability and tolerability.

Benefits

Penetrates more deeply than water-soluble Vitamin C
Excellent photostability — doesn't oxidise or turn yellow
Brightens, protects, and stimulates collagen
Well-tolerated — minimal irritation even at higher concentrations
Compatible with other actives including niacinamide

How to layer

🌙 Evening routine

Cleanser

Toner

Serum

Moisturiser

Face Oil

After toning, before moisturiser

Good for

All skinSensitive skinDry skinNormal skin

Works well with

Niacinamide ›Vitamin E ›Ferulic Acid ›Retinol ›

Heads up

⚠Less research than L-ascorbic acid on long-term anti-ageing effects

How to use

Apply in the morning routine before SPF, or in the evening.

Typical concentration: 1–10% in formulations