Thickener in a percarbonate-containing bleaching agent contained in a multi-layer sachet

A cosmetic product comprising:

• (i) a package comprising at least one multi-layer film, wherein the multi-layer film comprises a first polymer layer (P1), a second polymer layer (P2) and a barrier layer (BS), wherein the first polymer layer (P1) comprises polyethylene terephthalate and has a layer thickness of from about 10 to about 14 μm, the second polymer layer (P2) comprises polyethylene and has a layer thickness of from about 70 to about 80 μm, and the barrier layer (BS) comprises aluminium and has a layer thickness of from about 8 to about 12 μm;
• and
• (ii) a bleaching agent composition, which is contained in the package;
• wherein the bleaching agent composition comprises
• a percarbonate that is sodium percarbonate, wherein the sodium percarbonate is present in the bleaching agent composition at from about 6 to about 12 wt %,
• an inorganic salt of a peroxysulfuric acid, wherein the at least one inorganic salt of a peroxysulfuric acid is selected from the group of mixtures of potassium peroxydisulfate and ammonium peroxydisulfate, and mixtures of sodium peroxydisulfate and ammonium peroxydisulfate, and the at least one inorganic salt of a peroxysulfuric acid is present in the bleaching agent composition at from about 10 to about 70 wt %;
• and
• a thickener, wherein the at least one thickener comprises a mixture of a cellulose gum, a hydroxyethyl cellulose and a xanthan gum, wherein the quantity of cellulose gum is from about 0.2 to about 5 wt %, the quantity of xanthan gum is from 0.1 to 5 wt %, and the quantity of hydroxyethyl cellulose is from 0.2 to 5 wt %, wherein all wt % values are in relation to a total weight of the bleaching agent composition.