This laundry liquid from local company Bio-D is super-gentle but super-effective concentrated formula (25 washes/L!) can be used at low temperatures and for washing delicate fabrics by hand.
Ingredients: 5-15%: Potassium Cocoate, Nonionic Surfactant. Below 5%: Anionic Surfactant, Sodium Citrate, Amphoteric Surfactant, Citric Acid.
For allergens, see ingredients highlighted in bold in the ingredients list.