[jeromeinthehouse]

i would try a alkane with high boiling point

[jeromeinthehouse]

the author used .5% hexylresorcinol, comparing to 2 % hydroquinone and found that it is just as effective

https://www.researchgate.net/publication/283776287_Hexylresorcinol_Providing_Skin_Benefits_by_Modulating_Multiple_Molecular_Targets

[jeromeinthehouse]

You can try hexylresorcinol, which is more effective then hydroquinone, without the side effects.