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Free Shipping to all UK customers for orders over £25.00
Free Shipping to all UK customers for orders over £25.00
By Louise Aust
Usually dispatched within 3 - 5 business days.
£ 337.50
Shows how to validate scientifically the marketing claims of chemically stable and well-balanced products to withstand adequately the challenge of competitors and government regulators. This book describes techniques for substantiating properties, such as moisturization, mildness, conditioning and cleansing, and the performance of deodorants.