Dandruff or pityriasis capitis,/
Melanosis (solar melanosis),/
Acne(pimples ).
For all the above problems you need maintain by using good shampoos (daily & antidandruff shampoo)- eg HAIR 4 U shampoo daily shampoo& sebamed antidandruff shampoo weekly twice .
Use golite cream -morning & night for prevention of tanning as it contain both sunscreen as well as skinlightening.
Instead of plain dermadew , you can use DERMADEW ACNE SOAP.
Also zinderm BN gel on spots in the night whenever you vil get bigger pimples or acne.
Next Steps
for further clarifications meet nearby Dermatologist.