Sodium Thiosulphate for used in fragrance stabilisation in melt and pour soap base.

Sodium thiosulphate in 100 gram tubs.

Sodium Thiosulphate is a colourless crystalline compound that has many uses from stain removal, leather tanning and bleaching.
In soap making Sodium thiosulfate is used to make fragrances more stable, in particular, Vanilla or other brown fragrances.
Make a 25% solution with water, then use 1.2% of dilution of the soap base weight to stabilise the fragrance.