SOCIETY OF COSMETIC CHEMISTS OF GREAT BRITAIN 57 PAPER II (Wednesday, June 28th 1961) Candidates should answer any FIVE questions. Do not attempt to answer more the five questions. Candidates should commence each question on a separate sheet of paper. 1. "The skin is an organ of major importance to the body." Discuss this statement. 2. Discuss the possible hazards to the skin which must be considered when examining a substance for use in cosmetics. 3. (a) Describe the physical differences between two-phase and three-phase pressurized packs employing liquified or compressed gas propellants. (b) Discuss briefly the reasons for formulating a product utilizing any one of these systems, together with the relevant advantages and disadvantages. 4. Give details of tests you would carry out on three of the following materials to check their identity and suitability for use in face powders :- Zinc oxide, precipitated chalk, light magnesium carbonate, synthetic iron oxide, magnesium stearate. 5. Write an account of the principles involved in the determination of particle size of a powder in the sub-sieve range. Illustrate these by description of one method of determination. 6. Suggest a suitable formula for a product for cold permanent waving in the home, giving detailed reasons for your choice of materials and the proportions used. Describe the procedures and precautions you •vould follow in (a) manufacture, (b) packaging, and (c) quality control of the product. 7. Suggest a formula for an emulsion hairdressing suitable for men in the United Kingdom. Give details of your reasons for the choice of materials and describe the method of manufacture you would adopt for the product. 8. Imagine that you are given a sample of dark brunette hair. Describe how you would determine (a) whether the colour was natural or artificial, and (b) if artificial, the type of dye which had been used. Explain your methods with reference to the most important classes of hair colourants. SUCCESSFUL CANDIDA TES Five out of six candidates were successful. For three of the successful candidates this was only year B of the course. Diplomas were awarded to the two successful candidates who have now completed the course. R. F. BIRCH. H. A. KOBUS.

,58 JOURNAL OF TI-IE SOCIETY OF COSMETIC CHEMISTS The Diplomas were presented by the President immediately preceding 'the scientific meeting on 20th November 1961. The President presents the Diplomas to (on the left) Mr. H. A. I(obus, and (on the right) to Mr. R. F. Birch. The Journal Under arrangements recently made, the advertisement and subscription sections of the Society's Journal will in future be dealt with by Pergamon Press Ltd. of Oxford and London. Subscription enquiries should be addressed to Headington Hill Hall, Oxford, and those regarding advertise- ments to Mr. R. D. Miller, 4 & 5 Fitzroy Square, London, W. 1. 1962 Lecture Programme Lectures will be delivered before the Society on the following occasions: Friday, e6th January Photo-contact dermatitis by Professor C. D. CALNAN, M.R.C.P. 'Thursday, eend February Modern trends in continuous centrifugal separation and classifications by A. J. I-IAYLER, B.Sc., Ph.D., A.M.I.Chem. E. Thursday, eend March Activities of some water-in-oil emulsifying agents by E. V. TRUTER, Ph.D. Wednesday, 25th April The principles of work study with one or two applications in the laboratory by G. A. C. PITT, M.Sc., F.R.I.C. Venue: The Royal Society of Arts, John Adam Street, London, W.C.2. Time: 7.30 p.m. ANNUAL DINNER AND DANCE This will take place on Friday, end February at the Care Royal, Regent Street, London, W.L ANNUAL GENERAL MEETING This will take place on Friday, e5th May, at 7 p.m., at 55, Park Lane, London, W.L