Taxiphyllin can inhibit tyrosinase activity in vitro significantly and is a potent tyrosinase inhibitor. Taxiphyllin displays mild antibacterial activity against Staphylococcus aureus.

α-Arbutin (4-hydroxyphenyl-D-lucopyranoside) is a synthetic and functional active ingredient for skin lightening.

Tyrosinase-IN-2 (compound 67) is a potent inhibitor of tyrosinase, a copper-containing metalloenzyme pivotal for the catalytic step that limits the rate in melanin biosynthesis and enzymatic browning processes. This compound holds potential for research into skin whitening agents and food preservatives [1].

Etarotene (Arotinoid ethyl sulphone) is an ethylsulfonyl derivative of aloe acid with differentiation-inducing and potentially antitumor activity.Etarotene is a collagenase inhibitor and can be used to study psoriasis.

(±)-Taxifolin ((±)-Dihydroquercetin) is the racemate of Taxifolin, a flavonoid commonly found in onion, silymarin, French maritime pine bark, and Douglas fir bark, with anti-tyrosinase and anti-fibrotic activity.Taxifolin is an inhibitor of collagenase, with an IC 50 value of 193.3 μM. Taxifolin is a free radical scavenger with antioxidant capacity.