Type I
Always burns, never tans
Treatable
Older laser platforms struggle on deeper skin because surface melanin absorbs the energy meant for the follicle. The 1064nm Nd:YAG wavelength reaches the follicle while being absorbed less by surface melanin — which is what makes deeper skin tones treatable.
Always burns, never tans
Burns easily, tans minimally
Burns moderately, tans gradually
Burns minimally, tans well
Rarely burns, tans deeply
Never burns, deeply pigmented