The ketone, dihydroxyacetone, CH 2 OH CO CH 2 OH, was obtained by Piloty by condensing formaldehyde with nitromethane, reducing to a hydroxylamino compound, which is oxidized to the oxime of dihydroxyacetone; the ketone is liberated by oxidation with bromine water: 3H CHO + CH 3 NO 2 -- (CH 2 OH) 3 C NO 2 - (CH 2 OH) 3 C NH OH -- (CH 2 OH) 2 C: NOH - > (CH20H)2CO.
The great advancement in sunless tanning came to us in the form of a chemical called, dihydroxyacetone (DHA).
With the evolution of a chemical called dihydroxyacetone (DHA), fake tans have developed a more natural appearance.
Jergens Natural glow products contain dihydroxyacetone, or DHA.
Self tanners work with various combinations of the main ingredient known as dihydroxyacetone.