kojic acid and glutathione Soap Balances the pH of the soap Kojic Acid & Glutathione Skin

Available: [27] Lalithamba, "Strychnos nux-vomica L.," Wikimedia Commons

Often used to help stabilise other ingredients or the formula itself Total Promises Fulfilled score: 100 /100

In veterinary practice, the breadth of applications is large: from liver and detox to immune system, skin, brain and behavior

Results have shown an improvement in hyperpigmentation by up to 194% when used with complementary products

For more details on related compounds used in personal care products which often aim at improving skin health through different mechanisms, you may want to explore resources on Hyaluronic Acid Powder or Ceteareth 25

Whether it actually helps is another question