The fragrance-free Laundry Liquid is accredited by Allergy UK; its super-gentle but super-effective concentrated formula (25 washes/L!) can be used at low temperatures and for washing delicate fabrics by hand.
 
5-15%: Potassium Cocoate, Nonionic Surfactant. Below 5%: Anionic Surfactant, Sodium Citrate, Amphoteric Surfactant, Citric Acid.