i dont know if this helps anyone but here are things i found that helps with beauty
1. care products, use everyday. skin cream?, Breast cream?, Lip Balm?, nail polish?, doesn't matter use it.
2. hair, can only be washed (1)? per day and only when really dirty/greasy. brush it every chance you get.
3. make-up, good way to increase beauty, train it and you can get 1-3 point just for putting it on.
4. clothes, wear multiple sets of cloths, try not to wear the same cloths often might be a penalty for it also laundromat is bugged. they seem to effect your default beauty (might be a bug), your main way that i found to get high beauty.