Most Helpful Guy
Natural. Only and always.
If a woman has cosmetic work done to correct for an injury, disease or birth defect, that's different.
But, all other factors being held equal, I would prefer to be with a girl with Small, breasts, pale skin, mouse-brown hair, kempt-but-not-fussed-over nails and little or no make-up, than a girl with silicone D cups, bronze skin, dyed hair, thick make-up, painted, bedazzled claws, piercings, tats, etc.
The former says "Hi. This is me. Low Drama, Low maintenance, confident in who and what I am.
The latter says " GIVE ME YOUR ATTENTION! I MUST HAVE YOUR ATTENTION!
And once I have it, I might become indignant, caricaturishly flirty or otherwise unpredictably insane."