IIYGIENIC MANUFACTURE AND PRESERVATION 741 7.2. Each product, its raw materials and other components must be clearly identified at all stages of manufacture, storage and transportation. 7.3. Each product must have a recorded master formula which includes or appends the quality control parameters and processing details. Copies of the master formula required for working purposes shall be prepared in a manner which will miniraise the possibility of transcription errors. Deviation from standards must be authorised by a responsible person as specified in 3.1. 7.4. Records must be maintained which make it possible to ascertain the date of manufacture of any filled product. 7.5. All relevant records should be retained for a minimum of two years. 7.6. Stocks of approved raw materials and components must be differen- tiated from those untested. 7.7. Representative samples of raw materials and finished products should be retained for at least one year. 7.8. A procedure must be established for the issue of packaging matehals including labels to ensure that those issued correspond with the product being packed. Safeguards against issued packaging matehals becoming intermixed before and during use must be established. 7.9. A system of "first in first out" procedure of stock-keeping of all raw matehals and finished goods must be established. 7.10. Procedures must be established to ensure that packaging lines, tables and equipment are clean and free from any matehals and packs not relevant to the current operation. 8. RECOMMENDED STANDARDS AND TECHNIQUES Where control by regulation does not exist, the Standards and Tech- niques given in the schedules for (A) Hygiene-- Microbiological Safety (to follow) (B) Safety in Use-- Toxicological and Dermatological Safety (to follow) (C) Quality Standards-- Quality Control of Ingredients of Products (to follow) will apply.

742 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS 9. DEFINITIONS "Cosmetic or Toilet Preparations" are substances or preparations (i) intended to cleanse, beautify or modify the appearance of a person by external application to the skin, nails, hair, eyes or the oral cavity--but not intended to be swallowed or (ii) which exert a non-systemic action on or modification of local physiological functions so as to prevent, reduce or correct minor undesirable surface conditions, blemishes or defects of the skin, nails, hair, eyes or the oral cavity (but not intended to be swallowed) and are so sold. The following definitions apply to (i) and (ii):-- "Non-Systemic"--Localised in or upon the skin, its appendages, its local blood capillary network or its own nerve supply and not mediated through the general blood circulation or the central nervous system. "Minor"--Not requiring medical or dental diagnosis or treatment. Explanatory notes 4.4. To be read in conjunction with 3.1. It recognises the use of outside consultants and laboratories that are adequately equipped and staffed. 6.1. Should be interpreted in its broadest sense: "deleteriously reactive" includes the possibility of contamination from all ancillary equipment. 6.2. Indicates an overall standard for measurement. It recognises the possibility of varying specific gravities and recommends weight measure- ment wherever possible. 7.7. Shelf life, turnover time and company policy will dictate practical representation.