CHECK OUT THESE ITEMS FOR YOUR BAR SOAP FORMULATIONS!
Re-fatting/moisturizing agents-Protachem ISL, Protachem ISP, any of the PEG Castor Oils and PEG Hydrogenated Castor Oils Lanolin products can be added to enhance skin feel and remoisturize the skin. They also improve the feel of foam.

Synthetic detergents-Protapon AC-85, Protapon 30-A and Protapon T-33 can be added to product combo bars (combination soap and syndet) which have a lower pH then pure soap, foam better in cold and hard water and do not strip essential oils from the skin.

Quaternary compounds-some cationic materials are compatible with anionic soap bars. Materials like Protachem SDM can be added to add a conditioning afterfeel to the skin.

Anti-bacterial-Triclosan can be added to bar soaps to support a deodorant or ant-bacterial claim.