![]() ![]() Sparse, fine hairs cannot absorb much heat. The treatments are most effective on dense, thick, coarse & dark hair roots because they have a lot of pigment and can absorb a lot of heat. – Density & diameter your dark hair roots The longer wavelength penetrates deeper and will target the deeper dark pigment decreasing the risk of blisters or burns on the surface. The longer wavelength is needed so as not to have the laser energy preferentially absorbed by the top layer of skin as would occur with the shorter wavelength laser. Very dark-skinned individuals need to have a laser with a longer wavelength. Nd:YAG is suitable for all skin types, but Alexandrite & Diode are safe to be used for Fitzpatrick Skin Type 1, 2 & 3 only. ![]() So before you pay, ask the therapist what wavelength they use to remove your hairs? Because if your hairs root deeply, energy form lasers & IPLs with shorter wavelengths won’t reach your hair roots vice versa shallower hair roots won’t respond well to lasers with longer wavelengths Many IPLs & Lasers with other wavelengths do not work effectively to retard hair growth. The laser with wavelength of 755 nm (Alexandrite) & 800-900 nm (Diode) work effectively with shallower, thinner & lighter hair roots. The laser wavelength for deep, thick & dark hair roots should be 1064nm (Nd:YAG) but it won’t be effective for shallower hair roots. There are things to consider, principally: I am sorry for such a long post but I want to make sure the money I am spending is worth it. I would like to know the best laser(ND/YAG) and the best settings, plus any tips from experienced people.
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