Soap-Based Shampoo is a cleansing formulation prepared primarily using soaps derived from natural oils or fatty acids, such as coconut oil or castor oil. As per IS 7669:1990, it must meet strict quality and safety specifications to ensure the product is non-irritating, effective in cleaning hair and scalp, and free from harmful contaminants.
This type of shampoo is often chosen for its natural origin, mild cleansing, and eco-friendly profile—suitable for consumers seeking gentle, biodegradable alternatives to synthetic detergent-based shampoos.
The purpose of testing Soap-Based Shampoo under IS 7669:1990 is to ensure the product is safe, effective, and compliant with Indian cosmetic standards. Since soap-based shampoos are applied directly to the hair and scalp, the testing ensures they do not cause harm, perform as intended, and maintain product quality throughout their shelf life.
Ensure Skin and Scalp Safety
– To verify that the shampoo is non-irritant and safe for frequent use, particularly on sensitive scalp skin.
Test for Free Alkali Content
– To ensure no residual caustic soda or potash is present that could cause burning, dryness, or irritation.
Determine Total Fatty Matter (TFM)
– To evaluate the quality and conditioning ability of the soap content, which affects how soft and manageable the hair feels post-wash.
Assess Cleansing and Foaming Properties
– To confirm the product effectively removes dirt, oil, and impurities while generating a stable, user-friendly lather.
Check pH Level
– To ensure the shampoo maintains a scalp-friendly pH, reducing the risk of skin barrier disruption or irritation.
Heavy Metal Testing
– To confirm the product is free from toxic contaminants such as lead, mercury, and arsenic, which pose long-term health risks.
Microbiological Testing
– To ensure the shampoo is free from harmful bacteria or fungi, which can cause scalp infections or spoilage.
Support BIS Certification & Consumer Confidence
– To demonstrate that the product meets Bureau of Indian Standards specifications, helping manufacturers meet regulatory obligations and gain consumer trust.
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