Healthshots on MSN8 个月
Best herbal hair colours: 6 top chemical-free options
choose herbal products as they are free from harmful chemicals. Unlike regular hair dyes which contain ammonia, natural hair ...
Medscape3 天
Alternative Hair-dye Products for Persons Allergic to Para-phenylenediamine
The PPD-free PTDS-based hair dyes were recommended to all 13 subjects ... reactions to PPD since PTDS and PPD are closely related chemicals. However, five of this study's subjects have been ...