📑 [Special Column] The Truth Behind “Ammonia-Free” & “Organic” Hair Dyes /SOMI HAIR korean salon JB
📑 [Special Column] The Truth Behind “Ammonia-Free” & “Organic” Hair Dyes 📑 [特别专栏] “无氨”与“有机”染发剂背后的真相 Many people believe “Ammonia-Free” means “Damage-Free.” However, from a chemical perspective, the Ethanolamine (MEA) used as a substitute can sometimes be even more taxing on your hair. 很多人认为“无氨”就等于“无损伤”。然而，从化学角度来看，作为替代品使用的乙醇胺 (MEA) 有时对头发的负担反而更大。 1. Volatility vs. Persistence | 挥发性 vs. 残留性 2. Internal Hair […]