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Keeping [link widoczny dla zalogowanych] your hair at its best is not really difficult. All it needs is a little daily attention and some knowledge about the right hair care products, styling tools and [link widoczny dla zalogowanych] hair accessories appropriate for your hair type.
Getting the facts about what products will work best for you can be difficult, though. There is a lot of misinformation about shampoo ingredients in particular. A quick search round the internet will immediately suggest all kinds of hidden dangers in your [link widoczny dla zalogowanych] hair care products. Are there really chemicals in [link widoczny dla zalogowanych] your shampoo that will damage your hair ... or even your health?
Typically, after water, [link widoczny dla zalogowanych] the ingredients found in the greatest concentration in your shampoo are detergents. These are used, of course, to help lift oil and dirt from your hair when you wash it.
Ammonium Lauryl Sulfate (ALS) and Sodium Lauryl Sulfate (SLS) are the most common primary or secondary detergents found in commercial shampoo formulas, usually in a concentration of roughly 4-5%, although there can be wide variations between different brands of shampoo. What is the difference between these two ingredients and should you be looking for one or the other in the shampoo you choose for your hair?
In terms of chemists working up a formula for a shampoo, [link widoczny dla zalogowanych] the biggest difference between the two is how soluble they are in water. ALS is more than three times as soluble in water compared to SLS, which makes it an attractive ingredient for chemists to choose for use in clear or colourless products.
As to how they perform in your hair removing oil and dirt, they are identical. Both are recognised as being very effective detergents, particularly in lifting [link widoczny dla zalogowanych] oily dirt.
Is either ingredient toxic? Both ALS and SLS share similar toxicity and pH profiles. So if you have an urge to drink your shampoo or rub it into your eyes, the effects will be the same. Basically, they will both taste awful, are very unlikely make you sick, and sting quite a bit if you leave it in your eyes for over four seconds. In terms of long lasting effects, however, because both ingredients are so soluble in water, they rinse away [link widoczny dla zalogowanych] quickly and easily and leave no residue on your hair or skin.
Does sodium lauryl sulfate cause cancer? No, this is an urban myth. In 2000 a report on SLS from the Journal of the American College of Toxicology originally published in 1983 was altered heavily to falsely imply that SLS caused cancer. This bogus report has since been widely copied and circulated on the internet.
This falsified report is still frequently cited by small, independent shampoo companies trying to promote sulfate-free shampoo as an antidote to female pattern hair loss, among other health issues. To date [link widoczny dla zalogowanych] no connection has been demonstrated between the use of sulfates in commercially available shampoos [link widoczny dla zalogowanych] and ill health or hair loss.
The ingredients in most commercial shampoos that could potentially cause irritation to the skin and, more commonly, to the eyes, are preservatives and perfumes. However, the excitement caused by sodium lauryl sulfate is largely unfounded and you can rest assured that your shampoo is damaging neither your hair nor your long-term health.
Melissa Hill is founder of Stone Bridge, the UK's premier designer of luxury French hair accessories and clips. Melissa is regarded as the UK's leading expert on "everyday hair care and styling," teaching techniques to thousands of women every year [link widoczny dla zalogowanych] on how to achieve healthy and [link widoczny dla zalogowanych] manageable hair.

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