S4 Solution fills the gaps in the skin with intense hydration, and peptides firmly support the structure like a net. Achieve a firm base and radiance. No more superficial elasticity! Filling up from the inside double elastic design. Dual Firming Mechanism. 3.7% Snail X Low Molecular Weight Collagen elastic core synergy. The combination of 3.7% snail mucus filtrate and Italian low-molecular collagen delivers dense nutrition deep into the skin, caring for both elasticity and radiance simultaneously. Deeply absorbing into the skin. Highly nutritious moisture texture. With the 'patting massage' effect of gently patting the stretchy mucin formula to aid absorption, the concentrated active ingredients do not sit on the surface. Adheres seamlessly and absorbs deep into the contours of the skin. Intensively targeting nutrition for weak and dry skin. Skin elasticity care. Patting massage effect for absorption. Dewytree Ultra S4 Snail Serum, deeply filling with elasticity and radiance through the synergy of concentrated snail and low-molecular collagen. S4 Snail X Peptide completed with dual firming elasticity Care 5 STEP Dewytree Ultra S4 Snail.