Is cold water the secret to shiny hair? – GOOD SHAPE

If you’re a dedicated hair care lover with a hair schedule and a long list of creams, sprays, oils and still not seeing a difference, maybe it’s time to add one more step to your routine: cold water.

Turns out, using cold water on your hair is an underrated trick that can help you get shiny, healthier hair, since the temperature of the water won’t interfere with oil production, promote cuticle opening, or dryness.

BUT WHY IS COLD WATER GOOD FOR HAIR?

First, it’s important to understand about the composition of the hair strand. It consists of three parts: the marrow is the center and is covered by cortex, which is the middle layer made of keratin proteins (also known as the proteins that make up hair, skin, and nails). So the cuticle surrounds the cortex and is the outermost protective layer of the hair shaft.

A cuticle it is made up of flat, overlapping cells that look like scales and can open and close, whether it is open or closed has a direct impact on the appearance of the hair. For example, hair cannot retain moisture as well when the cuticles are open, so this can result in frizzy looking strands.

And what does water temperature have to do with it? Well, while warm water opens up the cuticle, cold water has the opposite effect. “Cold water causes vasoconstriction and closes the hair cuticle, thus providing more shine. Hot water, on the other hand, does the opposite and opens the cuticle, damaging it. Joyce Rodriguespharmaceutical biochemistry.

Another reason why cold water helps shine is that water that is too hot can “pH-balance” your hair.

In addition, low temperature decreases the incidence of seborrhea and diseases that affect the scalp such as psoriasis, according to José Fraga Filho, dermatologist. In addition to maintaining the chemistry and toner used for a longer period, leaving the hair more settled and with less frizz.

HOW TO MAKE HAIR SHINY WITH COLD WATER

Calm down, you don’t need to take a cold shower to have shiny hair. Instead, it’s best to do a quick rinse at the end of your shower.

That’s because lukewarm water can be important before sanitizing the wires – it opens the cuticles, allowing the products to clean deeply and penetrate the hair fibers. Then, running your hair through a shock of cold water helps close the cuticle and seal in moisture and all those beneficial hair care ingredients.