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B S
Product types

High-strength Korean serums and ampoules

Serum is the most active step of the routine: little product, high concentration. BS selects Korean serums with niacinamide, vitamin C, retinal, peptides and hyaluronic acid from official distributors.

Which active to choose for your goal

Dark spots and uneven tone: niacinamide or vitamin C in the morning. Fine lines and firmness: retinal or peptides at night. Dehydration: hyaluronic acid and panthenol. Redness: centella asiatica and madecassoside.

Combining serums without irritation

Introduce one new active every two weeks and never layer vitamin C with retinal in the same application. If skin stings or flakes, drop to two nights a week and support it with a moisturiser.

Amount, order and storage

Three or four drops are enough for the face. Serum goes after toner and before cream. Keep bottles closed and away from sunlight: vitamin C and retinal oxidise in light.