7 myths and truths about hair

Hair care is a subject that raises a lot of doubt, carrying a range of myths and truths. To clarify them, we spoke with Dr. Cristiane Braga, specialist in dermatology, aesthetic medicine and trichology. Check out!

1. Should I wash my hair more carefully in summer?

True. The hair must be washed with some care to avoid excessive dryness: use lukewarm water (or cold, when possible), use a shampoo for normal hair and always apply a conditioner or mask to the strands (except the scalp) to improve hydration.

2. Does very hot water damage the wires?

True. It damages, as it dehydrates the wires and, depending on the temperature of the water, it can even denature its proteins. When water is above 36°C, it stimulates the production of sebaceous glandswhich can contribute to hair loss, leaving it dull and brittle.

3. Does sleeping with wet hair harm the root?

True. This happens because the damp scalp creates an environment conducive to the growth of fungi and bacteria, increasing the chance of developing seborrheic dermatitis.

4. Chamomile tea lightens hair?

True. The chamomile dry extract, present in the tea, has bleaching substances that, in contact with the UV radiation (sun)are enhanced.

5. Does chlorine make your hair green?

Myth. In fact, chlorine causes an oxidation of the pigment, making it less intense. On blond hair, it can be slightly greenish.

6. Can the sun burn your hair?

True. Just like in skinUV radiation also damages the threads, denaturing their proteins and making them fragile, dry and opaque.

7. Does using avocado on the hair help to hydrate them?

True. Avocado has vegetable oils that greatly improve the hydration of the hair.