8 citations,
February 2022 in “Molecules” Asparagus racemosus root extract reduced sebum and pore size in men but not in women.
2 citations,
November 2017 in “PloS one” Some vitamin D analogs can thicken skin and reduce pore size like a common acne treatment, with one analog also affecting skin growth factors.
3 citations,
August 1980 in “Acs Symposium Series” Hair increases in size when it absorbs water, and treatments like bleaching affect how much water it can take in.
44 citations,
October 2017 in “British Journal of Dermatology” Botulinum toxin has potential for treating various skin conditions and improving wound healing.
17 citations,
August 2010 in “International Journal of Cosmetic Science” Orthosiphon stamineus leaf extract reduces oily skin and improves complexion better than zinc gluconate.