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SLES (Sodium Lauryl Ether Sulphate) 30%
| Description | Sodium Laureth Sulfate (sodium lauryl ether sulfate/SLeS) is an anionic surfactant made from coconuts. It should not be confused with Sodium Lauryl Sulfate (SLS)—SLeS is much milder. The product has a low cloud point combined with rich stable foam. Detergency, wetting and emulsifying properties are excellent. |
| INCI | Sodium Laureth Sulfate |
| Appearance | Clear, viscous liquid - it is available at different concentrations and more concentrated versions are thicker. |
| Usage rate | Can be added to formulas as is. Recommended use level 25% - 70% depending on desired foaming and cleansing effects. Can be used at higher concentrations for bubble baths. |
| Applications | Shampoos, body wash, bubble bath and household cleaning products |
| Texture | Slippery, detergenty |
| Scent | Characteristically detergenty |
| pH | 7.5 (10% solution) |
| Charge | Anionic |
| Solubility | Water |
| Why do we use it in formulations? | Sodium Laureth Sulfate (SLeS) is an excellent lathering surfactant and is a great choice for a primary surfactant in any kind of foaming/cleansing product. It is also a fairly decent solubilizer. |
| Refined or unrefined? | Sodium Laureth Sulfate (SLeS) only exists as a refined product. |
| Strengths | Fantastic lather, great cleansing |
| Weaknesses | It is still a sulfate, which some people prefer to avoid due to possible irritation or colour-treated hair. It also tends to get confused with SLS, which isn’t really a weakness of the product itself. |
| Tips, Tricks, and Quirks | There is quite a lot of misinformation about the safety of SLeS. I recommend giving this a read. Neither SLS or SLeS are carcinogens. |
| Note | This can be thickened using salt (Sodium Chloride) and works over a range of pH from 5-10. For external use only. |
Frequently asked questions
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Glycerin is used in a range of cosmetic and skincare products and continues to be a favorite among consumers.
- Skin care: Due to its hydrating property, Glycerin becomes a preferred good for skin and is used massively in moisturizers and lotions – to leave the skin healthy, smooth and supple. Toners also contain Glycerin for cleaning and replenishing purposes. It also has anti-bacterial properties.
- Hair care: It works as an amazing leave-in conditioner for hair as it draws water from the air to nourish the hair and leave it shinier
- Cosmetic products: It is used as a fragrance ingredient, denaturant, or protective component. A major plus is that Glycerin is non-comedogenic, i.e., it does not clog pores
- Hydration
- humectancy
- hydrate the gelling agents like Xanthan gum
- Denaturant
- Humectant
- Moisturising
- Perfuming
- Preservative
- Solvent
Today, it can be entirely vegan if derived from plants. It is obtained from plant oils such as coconut, soy, and palm oil. The latest way of making Glycerin has been via petroleum. This type of artificial synthetic glycerin is made in the laboratory. Nevertheless, plant-derived glycerin is still preferred since it is much cheaper to manufacture.
Water
| Property | Values |
| Boiling Point | 290°C |
| Melting Point | 17.9°C |
| pH | 6.0 |
| Solubility | Insoluble in fixed and volatile oils Miscible in water |
| Viscosity | 176 cP |