La Roche-Posay Vitamin C12 Serum Anti-Wrinkle and Radiance Restoring Serum 30ml

When 93% of women see an improvement in radiance after just two weeks, a serum earns its place on your shelf. The La Roche-Posay Vitamin C12 Serum is a concentrated, clinically tested anti-wrinkle and radiance-restoring serum powered by 12% pure Vitamin C, salicylic acid and neurosensine — a formula that visibly brightens, smooths and clarifies even the most sensitive skin. Dermatologist-developed, clinically proven, and housed in innovative UV-protective packaging to preserve every drop.

*Self-assessment, 63 women, after 2 weeks.

Why Women Love the La Roche-Posay Vitamin C12 Serum at Oh So Luxe

La Roche-Posay is one of the world's most trusted dermatological skincare brands — a name that dermatologists recommend more than any other, and a brand that has earned its reputation through decades of rigorous clinical testing and a genuine commitment to skin health. The Vitamin C12 Serum is a perfect expression of that philosophy: a high-performance, results-driven formula that doesn't compromise on safety or tolerability.

What makes this serum stand out in a crowded Vitamin C market is the combination of concentration, stability and skin compatibility. At 12% pure Vitamin C, it's potent enough to deliver visible results — but the addition of neurosensine ensures it remains suitable for even sensitive skin types. The UV-protective packaging isn't a marketing detail; it's a genuine innovation that prevents the Vitamin C from oxidising before it reaches your skin, ensuring every application is as effective as the first.

The clinical results speak for themselves: 93% improved radiance and 76% improved skin tone evenness after just two weeks. For a serum at this price point, that's exceptional.

Key Ingredients & Benefits

12% Pure Vitamin C: One of skincare's most clinically proven brightening and anti-ageing actives. At 12% concentration, this formula is potent enough to visibly reduce fine lines, fade pigmentation and dark spots, and restore a luminous, even-toned complexion. Vitamin C also provides powerful antioxidant protection against the free radical damage that accelerates skin ageing.

Salicylic Acid: A beta-hydroxy acid (BHA) that gently exfoliates the skin's surface, dissolving the bonds between dead skin cells to refine texture, minimise the appearance of pores and restore a smooth, soft complexion. It also helps to prevent congestion and breakouts, making this serum particularly effective for oily or combination skin.

Neurosensine: La Roche-Posay's proprietary soothing active that calms skin reactivity and reduces the sensation of discomfort — making this serum uniquely well-tolerated for a formula containing both Vitamin C and salicylic acid. It's what allows sensitive skin types to benefit from this level of active concentration without irritation.

How to Use La Roche-Posay Vitamin C12 Serum for Best Results

Apply 3–4 drops to clean, dry skin each morning before moisturiser and SPF. Smooth evenly across the face and neck, avoiding the eye area, and allow to absorb fully before applying the rest of your routine. The light gel-serum texture absorbs quickly and layers seamlessly beneath makeup. Always follow with SPF during the day — Vitamin C increases photosensitivity and SPF is essential to protect the results you're building.

For best results, use consistently every morning. Most women notice an improvement in radiance within the first two weeks; continued use over 4–8 weeks delivers the most significant improvement in fine lines and skin tone evenness.

Application & Care Tips

✧ Always follow with SPF in the morning — this is non-negotiable when using Vitamin C.
✧ The UV-protective packaging is functional — always replace the cap immediately after use to preserve the Vitamin C's potency.
✧ Store in a cool, dry place away from direct sunlight and heat.
✧ If introducing Vitamin C for the first time, start with every other morning and build up to daily use as your skin adjusts.
✧ Do not use on the same morning as other high-concentration acids — the salicylic acid in this formula provides sufficient exfoliation.

Frequently Asked Questions

Is the La Roche-Posay Vitamin C12 Serum suitable for sensitive skin?
Yes — the inclusion of neurosensine makes this one of the most sensitive-skin-friendly Vitamin C serums available at this concentration. La Roche-Posay formulates specifically for reactive and sensitive skin, and this serum has been dermatologist-tested for tolerability. If you're new to Vitamin C, start with every other morning and build up gradually.

Why does the packaging have a UV filter?
Vitamin C is notoriously unstable — it oxidises when exposed to light and air, turning orange and losing its efficacy. La Roche-Posay's UV-protective packaging prevents this, ensuring the formula remains stable and effective from the first drop to the last. It's a genuine innovation that sets this serum apart from many competitors.

Can I use this alongside retinol?
Yes — use this Vitamin C serum in the morning and retinol in the evening to avoid potential irritation from combining actives. This is the gold-standard anti-ageing routine recommended by most dermatologists.

How long before I see results?
Clinical testing showed 93% of women saw improved radiance after just 2 weeks. For visible improvement in fine lines and skin tone evenness, consistent daily use over 4–8 weeks is recommended.

Do you offer free delivery?
We offer free standard UK delivery on all orders over £50.

Ready to Glow?

The La Roche-Posay Vitamin C12 Serum is the clinically proven, dermatologist-trusted shortcut to a brighter, smoother, more radiant complexion — and at £44.90, it's exceptional value for a 12% pure Vitamin C formula with this level of clinical backing. Add it to your morning routine and let the results speak for themselves.

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