Hair straightening is safe for health only when it does not contain formaldehyde in its composition, such as a progressive brush without formaldehyde, laser hair straightening or hair lift, for example. Anvisa classifies these straighteners as ethical and do not contain formaldehyde, which can cause long-term burns, hair loss, and even cancer. Read also::https://carebeautyco.com/benefits-of-mud-therapy-for-body-face-and-hair/ Thus, all […]