hq + glycolic acid

[hashiriya]

can i use 4% hydroquinone + 10% glycolic acid on the neck??

 

[gribsufer1]

Just wing it nigger

 

[chudinarug]

can i use 4% hydroquinone + 10% glycolic acid on the neck??

would probably be fine but why the glycolic acid? wont make major change

 

[hashiriya]

would probably be fine but why the glycolic acid? wont make major change

better penetration