396 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS SUPPLEMENT NO. 2: Results• of Tests on p-Aminoacetanilidc Plus: Number and Compound Depth of Hours to Shade Fadc Ageing Color on Hair 1. Phenol P F-3 F Light red-brown 2. Catechol P P-12 F Gray-brown 3. Resorcinol F No color 4. Pyrogallol F No color 5. 3,5-Dimethylphenol F No color 6. 2,6-Dimethylphenol P F-8 P Red-blonde 7. 2,5-Dimethylphenol P F-8 P Dark red-gray 8. 0-Aminophenol P F-5 P Gold 9. m-Aminophenol F No color 10. 2-Hydroxy-4-aminotoluene F No color 11. 2-Amino-4-nitrophenol P P-16 P Very dark orange 12. 2-Amino-5-nitrophenol P P-12 P Good bright yellow 13. 2-Amino-4,6-dinitrophenol P P-23 P Dark rcd-orange 14. Aniline P F-4 F Medium dark gray 15. 0-Phenylenediamine P F-1 F Dark gray-brown 16. m-Phenylenediamine P F-5 F Dark red 17. m-Toluylenediamine P F-4 F Medium gray-brown 18. 2,4-Diaminoanisol P P-20 F Gray-brown 19. Nitro-m-phenylenediamine P F-2 P Bright yellow SUPPLEMENT NO. 3: Results ,* of Tests on p-Aminophenol Plus: 1. Phenol P P-18 F Medium gray-blonde 2. Catechol P P-18 F Gray-brown 3. Resorcinol P P-12 F Light green-blonde 4. Pyrogallol P P-14 F Medium brown 5. 3,5-Dimethylphenol P F-8 F Golden blonde 6. 2,6-Dimethylphenol P P-14 F Medium red-brown 7. 2,5-Dimethylphenol P P-10 F Red 8. 0-Aminophenol P F-2 F Medium browu 9. m-Aminophenol P P-14 P Ash blonde 10. 2-Hydroxy-4-a•ninotoluene P P-27 F Dark red-orange 11. 2-Amino-4-nitrophenol P F-5 F Medimn brown 12. 2-Amino-5-nitrophenol P P-11 P Dark yellow 13. 2-Amino-4,6-dinitrophenol P P-33 P Dark red-orange 14. Aniline P P-13 P Golden brown 15. 0-Phenylenediamine P F-8 F Golden blonde 16. m-Phenylenediamine P P-13 F Medium ash brown 17. m-Toluylenediamine P F-5 F Dark red-brown 18. 2,4-Diaminoanisol P F-4 F Dark red-brown 19. Nitro-m-phenylenediamine P F-9 P Dark yellow means passed and F means failed.

COLORING WITH SEMIPERMANENT DYES SUPPLEMENT No. 4 Results• of Tests on 2,6-Dimethyl-p-Aminophenol Hydrochloride Plus: 397 Number and Compound Depth of Hours to Shade Fade Ageing Color on Hair 1. Phenol P P-10 P Medium red-gray 2. Catechol P F-6 P Medium red-gray 3. Resorcinol P F-8 F Pink-gray 4. Pyrogallol P F-8 F Very light pink 5. 3,5-Dimethylphenol P P-10 F Red-brown 6. 2,6-Dimethylphenol P F-5 F Red-gray 7. 2,5-Dimethylphenol P F-6 F Red-gray 8. o-Aminophenol P F-2 F Dark yellow-brown 9. m-Aminophenol P F-8 F Light red-brown 10. 2-Hydroxy-4-aminotoluene P P-10 F Red-brown 14. Aniline P F-4 F Medium pink 15. 0-Phenylenediamine F No color 16. m-Phenylenediamine P F-6 F Red-gray 18. 2,4-Diaminoanisol F No color Results• of Tests on 2,6-Dibromo-p-Aminophenol Plus: 1. Phenol F No color 2. Catechol P P-11 F Medium ash brown 6. 2,6-Dimethylphenol P P-10 F Light green-gray 8. 0-Aminophenol P F-3 F Golden blonde 9. m-Aminophenol F No color 10. 2-Hydroxy-4-aminotoluene P P-15 F Light gray 14. Aniline F No color 16. m-Phenylenediamine P F-8 F Very light gray 17. m-Toluylenediamine P F-4 F Green-blue-gray means passed and F means failed. I•EFERENCES (1) Hcald, R. C., Methods of dyeing hair without the use of an oxidizing agent, Amer. Per[urn., 78, 40 (1963). (2) Clairol, British Patent 1,150,445 (April 30, 1969). (3) Augustin, H., et al., U.S. Patent 3,445,567 (May 27, 1969). (4) Holtzman, H., and Schwartz, M., U. $. Patent 3,446,569 (May 27, 1969). (5) Kalopissis, G., and Bugoul, A., British Patent 1,164,824 (Septetnber 24, 1969). (6) Seetnuller, J. R., U.S. Patent 3,134,721 (May 26, 1964). (7) Corbett, J. F., British Patent 1,063,979 (April 5, 1967). (8) Charle, R., and Lantz, R., U.S. Patent 3,167,478 (January 26, 1965). (9) Kalopissis, G., U.S. Patent 3,485,568 (December 23, 1969). (10) Societe Monsavon-L'Oreal, British Patent 758,743 (October 10, 1956). (11) Milos, Z. B., and Brunner, W. H., U.S. Patent 3,168,441 (February 2, 1965). (12) Lyons, J. R., U.S. Patent 3,480,377 (November 25, 1969). (13) McLaughlin, T. P., U.S. Pate•t 3,369,970 (February 20, 1968).