Bilgiye hızlı erişim:
A tear-free shampoo is a product formulated with special ingredients that do not cause irritating reactions such as burning, stinging, or redness when in contact with the eyes. This feature is particularly sought after in baby shampoos. Phrases like “No Tears” or “Tear Free” imply that the formula is compatible with natural tears. However, to achieve this, the product must be supported not only by mild ingredients but also by dermatological and ophthalmological testing.
1. Use of Gentle Cleansers
True tear-free shampoos avoid harsh surfactants like sodium lauryl sulfate (SLS) and sodium laureth sulfate (SLES). Instead, they use milder, biodegradable surfactants derived from coconut, such as glucosides. These ingredients gently cleanse the hair and scalp without harming the eye area.
2. pH Balance Compatible with Tears
The pH of human tears is approximately 7.0. Therefore, the pH level of the shampoo should be adjusted to this range. Otherwise, acidic or alkaline formulations may cause irritation upon contact with the eyes. The pH of tear-free products is typically maintained between 6.8 and 7.4.
3. Must Undergo Dermatological and Ophthalmological Testing
True safety claims must be supported by independent laboratory testing, not just ingredient selection. These tests objectively evaluate whether the product causes harm to the skin or eye area. Test results are usually indicated on the product packaging with claims such as “dermatologically tested” or “ophthalmologically approved.”
Ophthalmological tests are performed to determine any adverse reactions a shampoo may cause upon direct contact with the eyes. These tests are:
Conducted on volunteers under controlled conditions.
Evaluated by dermatologists and ophthalmologists.
Analyze the frequency and severity of symptoms such as redness, itching, dryness, and burning.
Products that pass these tests successfully are considered scientifically proven to be safe for use around the eyes.
Modern consumers prefer products that are not only effective but also safe. Parents, in particular, place great importance on clinical test results when choosing shampoos for their children. Brands that offer transparency, reliability, and scientific validity not only increase customer loyalty but also gain a competitive edge.
Furthermore, documented product testing enhances credibility not only for consumers but also for professional sales channels such as pharmacies or export markets.
At Cosming Laboratory, we prioritize the development and testing of cosmetic products based on scientific principles.
If you would like to learn more or benefit from our analysis services for your products, please feel free to contact us.
Stay informed about the latest developments in the industry and our company by subscribing to our e-newsletters.
Cosming Laboratuvar Bilgi Yönetim Eğitim Danışmanlık San. Ve Tic. Ltd Şti.
Get a Quote Register