The Boots Company Plc

Stephen Boothroyd

Edward Galley

Christine Sheard

Arija M Stammers

A sunscreening composition which comprises a water-in-oil emulsion which comprises a) 0.5 to 30% by weight of titanium dioxide having a mean primary particle size of less than 100 nm, b) 5 to 20% by weight of an oil phase, c) 1 to 15% by weight of an emulsifier, and d) at least 40% by weight of an aqueous phase. The titanium dioxide may be coated with aluminium stearate. Further sunscreening agents may be included. The oil phase may be a hydrocarbon oil, a wax, a natural oil, a silicone oil or a mixture. Preferred emulsifiers are sesquioleates such as polyglyceryl-2-sesquioleate or sorbitan sesquioleate, polyethoxylated esters of derivatives of natural oils such as polyethoxylated esters of hydrogenated castor oil or silicone emulsifiers such as silicone polyols.

Sunscreen compositions

A depilatory composition comprising a depilatory compound, in particular potassium thioglycolate, and a tertiary amine of general formula I

Growing community of inventors

Nottingham, United Kingdom

Stephen Boothroyd