M. Bimonte, et al. “ Galdieria Sulphuraria Relieves Oily and Seborrheic Skin By Inhibiting the 5-α Reductase Expression in Skin Cells and Reducing Sebum Production In Vivo”. Trichology and Cosmetology , vol. 1, no. 1, May 2016, pp. 11-18, doi:10.17140/TCOJ-1-103.