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Time for a hair detox ?

Time for a hair detox ?

While working as an aromatherapist I discovered the miraculous abilities of essential oils and natural plant oils. What I discovered about the ingredients in mainstream beauty products really shocked me and I think you should know exactly what you have been putting on your skin.

If you would like to avoid toxic, carcinogenic and irritating ingredients in your beauty regime, please read on. If you feel ready to detox your bathroom cupboard i'd recommend you start with the Inanna's Daughter Sweet Orange & Bergamot shampoo. It's our best selling product and it contains zero amounts of the following harmful ingredients and 100% of the healthy ones and it gives fantastic results.  

Article Credit to the School of Natural Skincare. 

 

 

   

 

1) Sodium lauryl sulphate (SLS) and Ammonium lauryl sulphate (ALS)

 

What to look for on a label: sodium lauryl sulphate, ammonium lauryl sulphate

Sodium lauryl sulphate was introduced globally more than 60 years ago as emulsifier or detergent. Alone, or accompanied by other surfactants, it is found in many cosmetic products, especially in shampoos.

Studies on skin irritation of surfactants show that irritation is dependent on the structure of the sulphate. SLS and ALS are anionic detergents, that tend to be more irritating to the skin and eyes in comparison to amphoteric and non-ionic detergents (L. Rhein, 2007).

Their ability to remove stratum corneum lipids means they penetrate the skin deeper into the viable layers and can cause immune reactions (Lémery et al, 2015).

SLS is one of the cheapest and strongest surfactants used in skin care; it is also one of the most irritating. ALS has a very similar chemical structure and properties to SLS, but it has larger molecular size, making it a little less irritating than SLS.

 

 

2) Sodium laureth sulphate (SLeS) and ammonium laureth sulphate (ALeS)

 

 

What to look for on a label: sodium laureth sulphate, ammonium laureth sulphate.

Trying to make SLS and ALS less irritating, chemists created SLeS and ALeS, which are produced through process of ethoxylation. This resulted in surfactants that are indeed less irritating to the skin, but are regularly contaminated with 1,4-dioxane, a carcinogen byproduct of the chemical reaction.

In addition, both of those surfactants are also known to elicit skin reactions such as irritant contact dermatitis or may cause inflammation. Though emulsions are often used to treat inflammatory skin disorders such as eczema, emulsions may also cause skin disorders because of the presence of surfactants added as stabilisers (Bárány et al, 2000).

 

3) Polyethylene glycols (PEGs)

 

 

What to look for on a label: ingredient names starting with PEG eg PEG-100 Stearate or Polysorbate, eg Polysorbate 20.

Polyethylene glycols are petroleum-based ingredients and are often used in haircare products, as solubilizers, detergents, and refattening agents.

They have a penetration-enhancing effect, which is important to remember for several reasons:
PEGs make it easier for other undesirable ingredients in your haircare products to penetrate deep into your scalp.
PEGs have the potential to disrupt the skin’s and hair’s natural moisture balance, thus altering the surface tension of the skin or hair.

PEGs often come contaminated with toxic impurities. Examples of these impurities are ethylene oxide and 1,4-dioxane. Studies have shown exposure to high concentrations of 1,4-dioxane may cause eye, skin, and respiratory irritation, nervous system effects, and liver and kidney toxicity (Stickney and Carlson-Lynch, 2014).

Although ethylene oxide has exhibited a low carcinogenic potency in animal models, epidemiological studies have not conclusively linked exposures to ethylene oxide with carcinogenic outcomes in humans (Parod, 2014). Information on PEG toxicity is limited and contradictory, but they should be avoided to ensure safety.

You can easily find PEGs among the listed ingredients (eg PEG-100 Stearate, PEG-40 Hydrogenated Castor Oil), but keep in mind that PEGs are also hidden under less obvious names, most typically ‘polysorbates’. These are a group of nonionic surfactants that help to hold water and oil together in conditioners, and also help dissolve other ingredients in water. Their name contains the word ‘polysorbate’ plus a number, which reveals how many PEG molecules it contains, eg Polysorbate 20, Polysorbate 60, Polysorbate 80, etc.

Nowadays PEGs as solubilizers are replaced with polyglyceryl-ingredients, which are permitted in natural cosmetics.

 

 

4) Mineral oil

 

What to look for on a label: paraffinum liquidum, paraffinum, cera microcristallina, petrolatum, mineral oil or paraffin waxes.

Mineral oil is a byproduct of refining crude oil to make gasoline and other petroleum products. It is very inexpensive, has a long shelf life and it is also quite an effective emollient. Due to these advantages to the cosmetic industry it is commonly used in haircare products, especially in hair conditioners and masks.

Mineral oil doesn’t penetrate the hair, it just sits on the top of it, as opposed to natural oils like coconut oil. But the real problem with mineral oil is slightly more complicated. Mineral oils are mixture of complex hydrocarbons comprised of mineral oil saturated hydrocarbons (MOSH) and mineral oil aromatic hydrocarbons (MOAH). It has been proven that if MOSH are absorbed the body, they are stored in various organs and may cause damage to the liver and lymph nodes. MOAH are potentially carcinogenic and are prohibited in food substances by the European Food Safety Authority. Cosmetic-grade mineral oils are supposed to be highly purified and have all of the MOAH removed from them, so they only contain MOSH. Sadly, tests have shown that that’s not always the case. This issue is only problematic in lip care products, because some of the products gets ingested through the mouth. Otherwise, mineral oils are not absorbed by the skin (Lorenzini et al., 2010).

You can find mineral oils under several different names: paraffinum liquidum, paraffinum, cera microcristallina, petrolatum, mineral oil or paraffin waxes.
There are much better alternatives out there – vegetable carrier oils are great emollients, they contain beneficial fatty acids, vitamins and antioxidants, plus they are completely safe to be used on the lips as well!

 

 

5) Synthetic fragrance

 

 

What to look for on a label: fragrance, parfum.

We all love the appealing scent of cosmetic products, don’t we? Unfortunately, fragrances are only listed as ‘fragrance’ or ‘parfum’ on the label, but they are a complex mixture of many chemicals, which are not disclosed. This has raised some concerns as there have been some reported side-effects of these substances related to skin sensitivity, scalp itchiness, dermatitis, coughing, asthma attacks, migraine, etc (De Groot and Frosch, 1997, Bickers, et al., 2003).

To enjoy a lovely odour during your skincare routine, choose products that are lightly scented with natural and gentle essential oils. It can be difficult to tell if a product contains synthetic fragrance or natural essential oils as both can be listed as fragrance or parfum on a label (companies are not required to declare which essential oils they use if they don’t want to). However, companies usually put an asterisk sign to the word parfum and write something like “from natural essential oils” in the notes under the INCI list.

Many fragrances, natural and synthetic alike, contain allergens that are legally required to be listed at the end of a ingredient list. Typical examples are linalool, limonene, citronellol, benzyl benzoate, benzyl alcohol, etc. If they come from essential oils, they almost always have an asterisk sign next to them and a note “*from natural essential oils” is present under the ingredients list.

 

 

 

6) Synthetic colorants

 

Synthetic colorants are often incorporated in cosmetics and hair dyes to make them look ‘pretty’, however, the FD&C colors* used in these product types are derived from coal tar (a byproduct of petroleum). Some of these are restricted by the FDA, (Food and Drugs Administration) in the USA, to 10 parts per million of lead and arsenic due to their carcinogenic nature.

A study conducted in 2009 found women who used permanent hair dye once a month for more than a year double their risk of bladder cancer (Jiang et al, 2001).

In addition, Lake** colors can also be derived from coal tar and stimulate allergic reactions.

(* In the United States, FD&C numbers [which indicate that the FDA has approved the colorant for use in foods, drugs and cosmetics] are given to approved synthetic food dyes that do not exist in nature.

** A lake pigment is a pigment manufactured by precipitating a dye with an inert binder, or “mordant”, usually a metallic salt.)

 

 

 

7) Formaldehyde releasers

 

 

What to look for on a label: imidazolidinyl urea, DMDM hydantoin, diazolidinyl urea, methenamine, quarternium-15.

Formaldehyde-releasing preservatives (FRPs) are used in many products to help prevent microbial contamination. Their formaldehyde-releasing ability makes them a potential allergen and toxicant in humans. Formaldehyde in cosmetics is widely understood to cause allergic skin reactions and rashes in some people (Flyvholm MA and Menne T, 1992; Boyvat A, 2005; Prat et al 2004).

When checking for FRPs, look for ingredients called Imidazolidinyl urea, DMDM hydantoin, diazolidinyl urea, methenamine, and quarternium-15.

There are more and more safer alternatives for cosmetic preservation available, they are usually present in certified organic products, where FRPs are forbidden.

 

 

8) Silicones

 

What to look for on a label: various ingredients including Dimethicone, Methicone, Trimethicone, Cyclomethicone, Amodimethicone, Trimethylsilylamodimethicone, Cyclopentasiloxane, Dimethiconol.

Silicones are synthetically made polymers with structural backbone made of silicon and oxygen atoms. They have a unique, powdery dry skin feeling with an amazing slip, that’s the reason they are the main ingredients in makeup primers and foundations. They can also work as occlusives in moisturizers and body butters (where they lessen the greasy feeling on the skin). SIlicones are popular in hair care products as well, they are conditioning and detangling, plus they provide shine, which is why they are basic ingredient of hair oils.

Maybe you’ve heard silicones ‘suffocate skin’ and prevent other ingredients from penetrating into the skin. That is not true. However, besides making the hair feel silky smooth and dry faster, they do not have any other benefits for it (like rejuvenating antioxidants and vitamins) – they make the hair look healthier and nicer, but that is just a temporary effect, they do not actually nourish the hair. They can also cause product build-up on your scalp, so if you use them very frequently, a clarifying shampoo is a must.

Another reason you might want to avoid silicones is the fact that since they are not biodegradable, they are a problem for the environment due to bioaccumulation.
There are several kinds of them, but you can recognize their names, which are ending in “-cone” or “-siloxane”: Dimethicone, Methicone, Trimethicone, Cyclomethicone, Amodimethicone, Trimethylsilylamodimethicone, Cyclopentasiloxane, Dimethiconol.

 

9) Parabens

 

 

What to look for on a label: methylparaben, ethylparaben, propylparaben, butylparaben, heptylparaben, isobutylparaben, isopropylparaben and benzylparaben.

Parabens are a family of synthetic esters of p-hydroxybenzoic acid that share similar molecular structures and are widely used as preservatives. They are found in a wide array of products, from lotions, to body washes and shampoos.

Paraben compounds, the most common being methylparaben, propylparaben and butylparaben, have been found to affect oestrogen levels, potentially impacting female reproductive health (Gao et al, 2016).

This is further supported by a new study by Geer et al (2016), which found an association between antimicrobials and adverse birth outcomes in neonates. These findings are also consistent with animal data resulting in developmental and reproductive toxicity.

There are many much safer preservatives out there; you will usually find them in natural or organic products.

 

 What ingredients or products should you avoid?

 Here are some suggestions:

 

  • DIY shampoo ingredients that cause your hair damage.

  • Shampoos with an unsuitable pH.

  • Potentially harmful ingredients that cause skin irritation or can be toxic.

  • Animal products.

  • Synthetic ingredients.

  • Harsh detergents.

  • Ingredients that are a problem for the environment.

  •  

Which you choose to eliminate will be up to you. You may choose all of them. Or you might just choose some, for example, you may feel strongly about using Vegan products. Or you might want to avoid synthetic ingredients instead.

 

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