I went with my 'before and after' photos of hair density pigmentation on the scalp to a local medi spa to show what I had been trained on at my SMP course. One of the assistants at the spa was questioning what type of pigment (iron oxide or charcoal) was in the product I used as some iron oxide pigments cannot be removed from the scalp by laser. This is news to me. I tried to connect with my trainer but she hasn't responded to my question.
If Scalp Has Been Tattooed to Give the Illusion of More Hair Are Some Types of Iron Oxide Pigment Not Laser Removable? (photo)
Doctor Answers 2
The use of iron oxides in SMP pigments
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