DEVA Skincare

Skin Feels Drier After Showering—This Is Not an Illusion More and more people are noticing a paradoxical phenomenon: despite showering diligently every day, skin becomes progressively drier, more sensitive, and even starts flaking and itching. Switching to a "moisturizing body wash" doesn't fundamentally change this. The root cause isn't "insufficient moisturizing," but rather that showering itself is repeatedly damaging the lipid structure of the skin barrier. Understanding this mechanism is...

A Billion-Dollar Concept Being Exploited According to 2025 data from the Beauty Industry Research Institute, amino acid shampoos now account for over 52% of category sales, with pure amino acid formulations showing significant growth. China's amino acid cleanser market exceeded 15 billion RMB in 2026, growing 25.3% . However, a gap exists between market growth and formulation integrity. 2026 industry evaluation reports explicitly note: the market still faces issues including "pseudo-amino...

"Just Tweak the pH"—Is That Really Enough? Many people's understanding of cosmetic pH stops at "add some citric acid to adjust it to 5.5, and you're done." But in formulation science, this is only the beginning, not the end. "Adjusting pH" and "maintaining pH stability" are two fundamentally different things. The former is a one-time operation; the latter requires an operational buffer system—because the pH of hair & skin care products will drift during storage, fluctuate due to dilution...