By Audrey Sivasothy, author of The Science of Black Hair: A Comprehensive Guide to Textured Hair Care
Are you having chronic hair breakage? Your hard water could be to blame. While black hair needs water to thrive, hard water can be a total hair breakage nightmare. The very thing that we depend on to take care of our hair and fight breakage can also be the very thing that slowly destroys it. Unfortunately, hard water is a common problem. Nearly 85% of homes have hard water coming through the taps.
What is Hard Water?
Hard water is water that is full of dissolved minerals and metals like calcium, magnesium, iron, copper, silica, lead, and manganese, scientists at Malibu Wellness Solutions say. But you’re thinking, ” … wait, minerals are good, right?“Well, yes and no. Minerals are excellent INSIDE the body as part of a healthy, well balanced diet. Inside, they are able to travel through the blood stream and nourish hair follicles for new hair cell regeneration. But minerals deposited on the exterior of the hair shaft can cause breakage and dryness problems in black hair care.
How Does Hard Water damage Black Hair?
Minerals like calcium and magnesium can collect in water and bind to the hair shaft during normal washing and conditioning. Our hair naturally has a negative electrical charge, Malibu Wellness Solutions scientists say. Minerals like calcium and magnesium carry a positive charge and when they encounter hair, they attach to it. The chlorine that is often added to hard water also has negative effects on black hair. These minerals have a drying effect on the outer hair cuticle because they prevent moisture from entering the hair. The result? Hard, dry, tangly, puffy, strange-colored black hair. The deposits can also build up on the scalp and cause a dandruff-like condition to form.
The minerals in hard water also react with shampoo detergents and make them less likely to produce a big, foamy lather. Those with no-lye relaxers are also no strangers to mineral buildup on the hair shaft. Like hard water, no-lye relaxers also leave calcium deposits behind on the hair shaft which can dry out black hair if not treated promptly. Interestingly, the hard water mineral deposits left on black hair can also interfere with the success of future chemical services including relaxers and colors.