This post uncovers the hidden truth behind “ammonia-free” box dyes and why MEA (Monoethanolamine)—commonly used as a substitute—isn’t as gentle as it sounds. With real client cases, product analysis from Amazon, BOOTS, Superdrug, and more, we break down how MEA lingers in the hair, disrupts the scalp, and causes long-term damage masked by “natural” marketing. Learn how to spot misleading labels, choose smarter alternatives, and reset your hair the right way.