Serum

As an intensely hydrating SOS for your skin—the 7-Day Hydration Treatment combines nutrient-dense Sève Bleue des Océans and Thalgo’s Micronised Marine Algae with a biometric NMF complex. This ingredient is composed of 10 potent molecules that are designed to perfectly mimic the skin’s natural moisturising factors—resulting in more hydrated, resilient skin. Additionally, this thirst-quenching formula also contains a low-molecular weight hyaluronic acid to deeply penetrate the skin’s surface, instantly refreshing and plumping skin. Ideal for those who enjoy a lightweight serum, this 7-day series is concentrated care for your complexion. Best for: Dry & Ageing Skin

Containing our highest concentration of Sève Bleue des Océans yet, this hardworking serum is ideal for intensely dehydrated, thirsty skin. Enriched with Mediterranean Padina extract, this alga reactivates skin hydration and reinforces cell cohesion—to limit the loss of water as well as essential nutrients. With the ability to penetrate the top layers of skin and release key nutrients deep into the skin’s dermis, this light formula delivers an instant boost of hydration whilst protecting the skin’s delicate moisture barrier—for dewier, more glowing skin. Best for: Dry & Ageing Skin

Containing a high dose of acids from fermented Micronised Marine Algae (MMA), glycolic and gluconic acids—this potent night serum delivers clinically proven results in just 21 days. With a non-invasive peeling action, this nutrient-dense formula gently resurfaces skin helping to improve tone, texture and promote a more youthful-looking complexion and after just seven days, delivers a ‘new skin’ effect. Best for: Ageing skin & cosmeceutical resurfacing

Derived from the marine waters of Japan, this hardworking serum utilises brown algae extract—Undaria pinnatifida—to fight dark spots and promote a more evenly toned complexion. With a creamy, fresh texture, this formula combines an abundance of brightening actives to reduce irregularities and promote a more luminous complexion. After just seven days use, skin texture is smoother and after 28 days, dark spots are less visible. Best for: Uneven skin tone, dark spots & pigmentation

Containing a high concentration of hyaluronic acid, this intensive serum combines the density-restoring and lifting powers of Thalgo’s patented Marine Replenishment Complex with a light-reactivating plant-based trio. With the ability to penetrate the top layers of skin and release nutrients deep into the dermis, this redensifying formula improves facial contours, restores facial volume and delivers a fresh, radiant, rosy glow. Best for: Hormonal ageing & mature skin types