Compositions comprising photo-labile perfume delivery systems

A personal care composition having sustained fragrance, said composition comprising:

• a) from about 0.001% to about 50% by weight, of a photo-labile pro-fragrance compound having the formula:
• 39
• wherein OR is a unit derived from a fragrance raw material alcohol, HOR;
• R1 is one or more electron donating groups;
• each R2 is independently hydrogen, C1-C12 alkyl, and mixtures thereof;
• X is selected from the group consisting of —OH, —NH2, —NHR3, and mixtures thereof;
• R3 is hydrogen, C1-C12 linear or branched alkyl, C6-C10 aryl, and mixtures thereof;
• b) optionally from about 0.001% to about 50% by weight, of one or more fragrance raw materials;
• and
• c) the balance carriers and adjunct ingredients.

A laundry detergent composition comprising:

• a) from 0.001% to 10% by weight, of a fragrance delivery system, said system comprising:
• i) from about 0.001% to about 100% by weight, of a photo-labile pro-fragrance compound having the formula:
• 44
• wherein OR is a unit derived from a fragrance raw material alcohol, HOR;
• R1 is one or more electron donating groups;
• each R2 is independently hydrogen, C1-C12 alkyl, and mixtures thereof;
• X is selected from the group consisting of —OH, —NH2, —NHR3, and mixtures thereof;
• R3 is hydrogen, C1-C12 linear or branched alkyl, C6-C10 aryl, and mixtures thereof;
• ii) optionally from about 0.001% to about 50% by weight, of one or more fragrance raw materials;
• b) from about 10% to about 80% by weight, of a surfactant system;
• and
• c) the balance carriers and other adjunct ingredients.

A laundry softener composition comprising:

• a) from 0.001% to 10% by weight, of a fragrance delivery system, said system comprising:
• i) from about 0.001% to about 100% by weight, of a photo-labile pro-fragrance compound having the formula:
• 45
• wherein OR is a unit derived from a fragrance raw material alcohol, HOR;
• R1 is one or more electron donating groups;
• each R2 is independently hydrogen, C1-C12 alkyl, and mixtures thereof;
• X is selected from the group consisting of —OH, —NH2, —NHR3, and mixtures thereof;
• R3 is hydrogen, C1-C12 linear or branched alkyl, C6-C10 aryl, and mixtures thereof;
• ii) optionally from about 0.001% to about 50% by weight, of one or more fragrance raw materials;
• b) from about 10% to about 80% by weight, of a softener system;
• and
• c) the balance carriers and other adjunct ingredients.

A shampoo composition having sustained fragrance, said composition comprising:

• a) from about 0.001% to about 50% by weight, of a photo-labile pro-fragrance compound having the formula:
• 46
• wherein OR is a unit derived from a fragrance raw material alcohol, HOR;
• R1 is one or more electron donating groups;
• each R2 is independently hydrogen, C1-C12 alkyl, and mixtures thereof;
• X is selected from the group consisting of —OH, —NH2, —NHR3, and mixtures thereof;
• R3 is hydrogen, C1-C12 linear or branched alkyl, C6-C10 aryl, and mixtures thereof;
• b) optionally from about 0.001% to about 50% by weight, of one or more fragrance raw materials;
• and
• c) the balance carriers and adjunct ingredients.