Extracted through deep-sea giant algae fermentation, promotes cell self-repair ability, accelerates barrier regeneration, and relieves redness, peeling, stinging and other problems caused by sensitivity, dryness, season change or post-medical beauty. Application scenarios: Sensitive skin maintenance, post-sun repair, post-medical beauty care (such as after laser, microneedling). 2. Long-lasting moisturizing and locking water Core ingredients: Hyaluronic acid + deep-sea algae extract form a moisturizing film to lock in moisture, improve dry lines and roughness caused by water shortage, and enhance skin softness and radiance.