The invention relates to a hair care composition comprising: from about 5 weight % to about 45 weight % total surfactant; from about 5 weight % to about 35 weight % anionic surfactant; from about 1 to about 20% by weight of a water miscible solvent; greater than about 3 weight % HFO; wherein the ratio of HFO to water miscible solvent is lower than about 3, and wherein the foam density of the foam after dispensing is from about 0.03 to about 0.35 g/mL. The invention also relates to dispensing the composition from an aerosol container, wherein the foam density of the foam after dispensing is from about 0.03 to about 0.35 g/mL.

Described herein is a dosage of foam including from about 5 cm.sup.3 to about 70 cm.sup.3 of the foam. The foam includes from about 0.5 g to about 4 g of a detersive surfactant, from about 0.001 g to about 4 g propellant, a foam density of from about 0.05 g/cm.sup.3 to about 0.35 g/cm.sup.3, a bubble size distribution having an R.sub.32 of from about 5 m to about 100 m, and a yield point of from about 4 Pa to about 39 Pa.

Described herein is a dosage of foam including from about 5 cm.sup.3 to about 70 cm.sup.3 of the foam. The foam includes from about 0.5 g to about 4 g of a detersive surfactant, from about 0.001 g to about 4 g propellant, a foam density of from about 0.05 g/cm.sup.3 to about 0.35 g/cm.sup.3, a bubble size distribution having an R.sub.32 of from about 5 m to about 100 m, and a yield point of from about 4 Pa to about 39 Pa.

The invention relates stable compact low viscosity hair care compositions comprising: from about 20 weight % to about 45 weight % total surfactant; from about 2 weight % to about 25 weight % branched anionic surfactant with a tail having an alkyl chain with 12 to 18 carbon atoms; from about 5% weight % to about 30 weight % linear anionic surfactant with a tail having an alkyl chain with 12 to 18 carbon atom; from about 0.1 weight % to about 8 weight % of a viscosity reducing agent; from about 40 weight % to about 80 weight % of water; wherein the concentrated shampoo has Ratio of Linear anionic surfactant to Branched anionic surfactant of about 0.3 to about 5, wherein the concentrated shampoo has a viscosity of less than 3000 cP at 26.5 C.

Described herein is dosage of foam including from about 5 cm.sup.3 to about 70 cm.sup.3 of the foam. The foam includes from about 0.5 g to about 4 g of a detersive surfactant; from about 0.001 g to about 4 g propellant; a foam density of from about 0.04 g/cm.sup.3 to about 0.23 g/cm.sup.3; and a bubble size distribution having an R.sub.32 of from about 30 m to about 60 m.

Described herein is a dosage of foam including from about 5 cm.sup.3 to about 70 cm.sup.3 of the foam. The foam includes from about 0.5 g to about 4 g of a detersive surfactant; from about 0.001 g to about 4 g propellant, a foam density of from about 0.05 g/cm.sup.3 to about 0.35 g/cm.sup.3; a bubble size distribution including an R.sub.32 of from about 5 m to about 100 m; and a gloss unit measurement of from about 4 to about 40 GU. The propellant is selected from 1,3,3,3-tetrafluoroprop-1-ene, 1,1 difluoroethane, and mixtures thereof.

Described herein is dosage of foam including from about 5 cm.sup.3 to about 70 cm.sup.3 of the foam. The foam includes from about 0.5 g to about 4 g of a detersive surfactant; from about 0.001 g to about 4 g propellant; a foam density of from about 0.02 g/cm.sup.3 to about 0.25 g/cm.sup.3; and a bubble size distribution having an R.sub.32 of from about 5 m to about 150 m.

Described herein is a dosage of foam including from about 7.5 cm.sup.3 to about 70 cm.sup.3 of the foam. The foam includes (a) from about 0.5 g to about 4 g of a detersive surfactant; (b) from about 0.001 g to about 4 g propellant; (c) a foam density of from about 0.05 g/cm.sup.3 to about 0.35 g/cm.sup.3; (d) a bubble size distribution having an R.sub.32 of from about 5 ?m to about 100 ?m; and (e) a ? value of from about 0.0075 g/cm.sup.3 to about 0.1575 g/cm.sup.3.

This invention relates to a foamable hair care composition comprising an anionic surfactant, a co-surfactant, a viscosity reducing agent, and a cationic polymer having a weight average molecular weight of less than about 1,000,000 g/mol. The hair care composition may further comprise a silicone, wherein the silicone particle size is less than about 10 microns. The hair care composition has a viscosity of from about 1 to about 3,000 cps.

A skin defense system and a skin rejuvenation and defense system. The skin rejuvenation and defense system includes a skin rejuvenation application and a skin defense application that work together synergistically to rejuvenate and defend the skin from environmental insults that can accelerate the aging process and deprive the skin of its vitality. The skin rejuvenation application invigorates, oxygenates, and detoxifies the skin. After the skin has been opened up and made receptive by the skin rejuvenation application, the skin defense application absorbs into the skin to deeply moisturize and revitalize the skin. In addition to moisturizers, emollients, and similar ingredients that improve health and appearance of the skin, the skin defense application includes ingredients that can reverse and protect the skin from damage caused by pollutants (e.g., pollutants up to 2.5 micrometers) and pre- and pro-biotics that promote the growth and development of beneficial skin flora.