Hello, the need (serum) to maintain youthfulness. ลดริ้วรอย skin care for all generations moisture Smooth and healthy skin The formula is like this. Galactomyces Ferment Filtrate (Pitera) =15% Snail Secretion =10% DMAE (SkinTight MD™) Liquid =5% Chamomile Extract (Apigenin) =1% Safe-B3 ™ ( Vitamin B...