★★★★★

Over 20,000 people convinced

The first epigenetic Vitamin C serum. A bio-active, highly absorbable form of Vitamin C that works directly at the cellular level for optimal regeneration—without irritation.

✔ Morning or night
✔ Reduces dark spots
✔ Advanced antioxidant protection
✔ Deep moisturisation
✔ Boosts collagen
✔ Strengthens the skin barrier

The First Epigenetic Vitamin C Serum

Skin Diligent’s Vitamin C Serum is not just another vitamin C serum. It acts on the expression of genes involved in skin protection and regeneration, influencing the cellular mechanisms of ageing. By enhancing cellular resilience and longevity, it delivers brighter, firmer, and better-protected skin over the long term.

Why Choose Skin Diligent's Vitamin C Serum-in-Oil?

Criteria Skin Diligent Conventional Serums
Stability Does not oxidize Can oxidize quickly, reducing efficacy
Absorption Liposoluble formula, optimal absorption Water-based, poorly absorbed by the skin
Irritation High tolerance, suitable for sensitive skin Not suitable for sensitive skin
Epigenetic Impact Activates cell repair and protects skin DNA N/A
Moisturisation Strengthens the skin barrier and moisturises Not moisturising
Hormone disruption Tested free of hormone disruption N/A
Hyperpigmentation Targets dark spots and evens out skin tone May tint the skin orange

Real results proven by clinical and user tests

100% reported more hydrated skin.
100% noticed an improved overall skin appearance.
95% observed healthier-looking skin.
95% saw a more even skin tone.
90% experienced fewer blemishes.
90% noticed a reduction in fine lines.

28-day clinical study on 20 participants aged 18 to 60. Instrumental measurements using Corneometer CM 825 and PIE Tewameter TM30 after daily application.

Why Switch to a Next-Generation Vitamin C?

Water-based vitamin C serums can be unstable, irritating, and prone to oxidation when exposed to air and light.

Skin Diligent reinvents Vitamin C with its Vitamin C Serum-in-Oil - a non-oxidizing, better-absorbed form that delivers results without irritation.

THE FIRST EPIGENETIC VITAMIN C SERUM

Actives selected for their targeted action on skin cells

Ascorbyl Tetraisopalmitate

Ascorbyl Tetraisopalmitate

A stabilized, lipid form of Vitamin C with 65 years of proven efficacy, known to boost radiance, stimulate collagen and protect the skin.

Omegas 3 & 6

Omegas 3 & 6

Essential fatty acids that strengthen the skin barrier, deeply hydrate, and improve elasticity.

Triple Antioxidant

Triple Antioxidant

A synergistic antioxidant system of Vitamin C, Vitamin E, and Punicic Acid that reduces inflammation, neutralizes oxidative stress, and significantly eliminates free radicals.

Soothing & Repairing Shield

Soothing & Repairing Shield

Amazonian resin with soothing and reparative properties for protected, resilient skin.

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