A Two-Step Spring Ritual

UV doesn't wait for summer.

The skin shift begins in March. Antioxidant stores deplete, transepidermal water loss climbs, and photoageing accelerates beneath skin that still feels fine.

The Spring Barrier Protocol is built for this exact transition.

One layer rebuilds. The other defends. Neither works as well alone.

The Protocol

Two formulations. One objective.

I. Strengthen

Definitive Lifting Toner

Vitamin C and Glutathione, a master antioxidant, deliver a strong, calm barrier. Reinforces what UV and environmental stress deplete first and primes the skin to receive active protection.

Vitamin C Glutathione Lifting Action Barrier Repair

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II. Protect

Definitive Sun Drops SPF 50

Guards against UVA, UVB, and the signs of ageing brought on by UV and environmental exposure. Formulated to sit cleanly over the protocol without disrupting what lies beneath.

SPF 50 Broad Spectrum Non-Occlusive Photoageing Defence

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Layer Beneath

For skin under accumulated load, pair the protocol with Definitive Collagen Activator Serum for structural repair, or Serum Phi for regenerative support when barrier function is materially compromised.