Shower gel is detergent, as is hand wash. Soap is soap. Look at the ingredients.
Soap: Ingredients
Sodium Palmate, Aqua, Sodium Palm Kernelate, Glycerin, Palm Kernel Acid, Tetrasodium Etidronate
Handwash: Ingredients
Vegan formula. Find out more.
Water / Aqua / Eau, Sodium Laureth Sulfate, Cocamidopropyl Betaine, Propylene Glycol, Laureth-7 Citrate, Glycerin, Coco-Glucoside, Fragrance / Parfum, Citrus Aurantium Dulcis (Orange) Peel Oil, Polyquaternium-7, Lonicera Caprifolium (Honeysuckle) Flower Extract, Lonicera Japonica (Honeysuckle) Flower Extract, Ethylhexyl Salicylate, Butyl Methoxydibenzoylmethane, Diethylhexyl Syringylidenemalonate, Limonene, Linalool, Hexyl Cinnamal, Amyl Cinnamal, Hydroxycitronellal, Eugenol, Tocopherol, Sodium Phytate, Tetrasodium Glutamate Diacetate, Sodium Benzoate, Phenoxyethanol, Citric Acid, Sodium Hydroxide, Peg-18 Glyceryl Oleate/Cocoate, Sodium Chloride, Hydrogenated Palm Glycerides Citrate, Alcohol Denat., Yellow 5 / C.I. 19140