Ethnic dermatology Dr. F.F.V. Hamerlinck et al.

Ethnic dermatology

Ethnic dermatology does not concern tropical dermatology. It concerns, among other things, the influence that the European climate has on the skin of people who do not have European descent.

Never apply an occlusive preparation to pigmented skin
Products containing propylene glycol can cause hyperpigmentation and should be avoided on pigmented skin

These and other matters are discussed in this reference work by Dr. Hamerlinck.
In addition, 41 common dermatological conditions affecting pigmented skin are discussed and provided with pharmacotherapeutic treatment advice.