https://www.tribuneindia.com/news/brand-connect/kerassentials-reviews-scam-revealed-read-before-buying-451252

Kerassentials :-
Another element in Kerassentials is undecylenic acid. This element has been used to treat jock itch and athlete's foot or toenail fungus for ages. This ingredient ought to be externally used on the skin and nails. Undecylenic acid is a beneficial fatty acid that can also inhibit the growth of Candida albicans.