Inorganic sunscreen active agents in cosmetic compositions and methods are provided and feature micronized metal oxide inorganic particles selected from the group consisting of zinc oxide, titanium oxide, cerium oxide and mixtures thereof, the inorganic particles being coated with: (i) a poly[C8-C20 hydroxycarboxylic acid], the coated particles measured at a 10% loading in dodecane and at 1 minute elapsed time having a Zeta Potential ranging from 2 to 10 mv, particularly from 2 to 5 mv, amounts of the poly[C8-C20 hydroxycarboxylic acid] to the inorganic particles being in a relative weight ratio of 1:100 to 1:10; or alternatively (ii) an adduct of a hydroxy cinnamate and a silanol, amounts of the adduct to the inorganic particles being in a relative weight ratio of 1:200 to 1:4; or alternatively (iii) mixtures of (i) and (ii).

A conditioning composition results in improved particulate benefit agent deposition on to hair, said composition comprising: (i) 0.01 to 10 wt % of a linear cationic conditioning primary surfactant; selected from structure 1 and mixtures thereof; (ii) 0.1 to 10 wt % of a linear fatty material; (iii) a particulate benefit agent selected from conditioning actives and mixtures thereof; (iv) 0.01 to 5 wt % of a linear di-alkyl cationic co-surfactant, selected from structure 2 and mixtures thereof.

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A conditioning composition results in improved particulate benefit agent deposition on to hair, said composition comprising: (i) 0.01 to 10 wt % of a linear cationic conditioning primary surfactant; selected from structure 1 and mixtures thereof; (ii) 0.1 to 10 wt % of a linear fatty material; (iii) a particulate benefit agent selected from conditioning actives and mixtures thereof; (iv) 0.01 to 5 wt % of a linear di-alkyl cationic co-surfactant, selected from structure 2 and mixtures thereof.

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A chewable composition for teeth-whitening comprising a first region and a second region separated by a barrier layer; the first region comprising carbamide peroxide having water content of about 2% or less, a wetting agent (e.g., glycerin), an anhydrous chewing gum base having water content of about 1% or less, an anhydrous fruit acid, and one or more gum additives; and the second region comprising a chewable composition comprising a gum base, a source of bicarbonate ion, and one or more gum additives. A kit comprising separate chewable compositions corresponding to the first and second regions, and methods for whitening teeth using the chewable composition are also provided.

A chewable composition for teeth-whitening comprising a first region and a second region separated by a barrier layer; the first region comprising carbamide peroxide having water content of about 2% or less, a wetting agent (e.g., glycerin), an anhydrous chewing gum base having water content of about 1% or less, an anhydrous fruit acid, and one or more gum additives; and the second region comprising a chewable composition comprising a gum base, a source of bicarbonate ion, and one or more gum additives. A kit comprising separate chewable compositions corresponding to the first and second regions, and methods for whitening teeth using the chewable composition are also provided.

To provide a dental composition wherein the acid buffering capacity can be attained and the acid resistance of the tooth substance can be improved while maintaining very high foul breath inhibition capacity. A dental composition including: ion sustained-release glass; and a carrier for supporting the ion sustained-release glass, wherein the ion sustained-release glass is fluoroaluminoborosilicate glass having a composition range of: 15% to 35% by mass SiO.sub.2; 15% to 30% by mass Al.sub.2O.sub.3; 5% to 20% by mass B.sub.2O.sub.3; 20% to 45% by mass SrO; 5% to 15% by mass F; and 0% to 10% by mass Na.sub.2O.

To provide a dental composition wherein the acid buffering capacity can be attained and the acid resistance of the tooth substance can be improved while maintaining very high foul breath inhibition capacity. A dental composition including: ion sustained-release glass; and a carrier for supporting the ion sustained-release glass, wherein the ion sustained-release glass is fluoroaluminoborosilicate glass having a composition range of: 15% to 35% by mass SiO.sub.2; 15% to 30% by mass Al.sub.2O.sub.3; 5% to 20% by mass B.sub.2O.sub.3; 20% to 45% by mass SrO; 5% to 15% by mass F; and 0% to 10% by mass Na.sub.2O.

Oral care compositions comprising an amino acid and stannous ion source, especially in the absence of a soluble zinc ion source, are provided for promoting Gum Health of a user.

Oral care compositions comprising an amino acid and stannous ion source, especially in the absence of a soluble zinc ion source, are provided for promoting Gum Health of a user.

There is provided a spherical organic-inorganic composite particle having good biodegradability. The organic-inorganic composite particle according to the present invention includes 1 to 79% by weight of a silica component and 21 to 99% by weight of a biodegradable plastic. The organic-inorganic composite particle has an average particle diameter d.sub.1 of 0.5 to 25 μm, a true density of 1.03 to 2.00 g/cm.sup.3, and a sphericity of 0.80 or more. A cosmetic product including the organic-inorganic composite particle having such properties has excellent texture properties.