Dr. Althea - Aqua Marine Deep Serum [30ml]
Hurry up, only 3 items left in stock.
Dr. Althea – Aqua Marine Deep Serum
Deeply hydrating Korean serum infused with marine minerals to replenish moisture, strengthen the skin barrier, and boost natural glow. Helps soothe dryness, improve elasticity, and maintain long-lasting hydration—ideal for dehydrated and sensitive skin in Swiss K-beauty routines.
Don’t miss out on this limited-time advantage crafted for you
Ingredients
Ingredients
Tea Tree Leaf Water, Niacinamide, Panthenol, Centella Asiatica, Madecassoside, Ceramide NP, Beta Glucan and Hyaluronic Acid

Find Your Perfect Lip Shade
Discover which lipstick shades complement your skin tone and bring out your natural beauty.
Discover more in our FAQ
How long does it take to process an order?
How long does it take to process an order?
Orders are usually processed within 1–2 business days.
How long does delivery take?
How long does delivery take?
Delivery within Switzerland usually takes 1–3 business days after dispatch.
Do you offer free shipping?
Do you offer free shipping?
Yes. We offer free shipping on orders over CHF 100.
Are your products authentic?
Are your products authentic?
Yes. All products sold by Koiyu are 100% authentic and carefully sourced.

