13 Jun Sun Butter with Zinc Oxide DIY
Sun protection is one of the most important means of protecting the skin from damage. UVA and UVB rays lead to long-term damage such as skin aging, wrinkling or thickening of the skin. The presented sun butter is very gentle and rich and therefore very suitable for mature, dry and sensitive skin. It is full of nutrients and does not need any emulsifiers or preservatives since it does not contain water.
Sun protection is provided by the mineral pigment zinc oxide. Sun protection substances can be divided into three groups: chemical sun protection, physical sun protection and biological sun protection. Zinc oxide falls into the group of physical sun protection. It is dosed according to the desired sun protection factor. For example, if you want to have a SPF of 15, then 15% of the total weight of the product is added in form of zinc oxide. But even with lower doses of zinc oxide, such as 5%, it is quite difficult to get a sunburn.
Zinc oxide is a white powder with good chemical stability. Although it forms hydroxyl radicals and hydrogen peroxide with water under solar radiation, no adverse effect of this reaction on the skin has been detected. The reason for this is probably that the pigments cannot penetrate into the deeper skin layers. The pigment protects the skin by reflecting, absorbing and scattering the UV rays. Only in the long-wave UVA range starting from 380 nm zinc oxide is no longer effective. Due to the (nowadays) very small particle size of the pigments it does not lead to white paste anymore but can easily be evenly distributed on the skin. Also in gels there is no paste effect.
Coconut oil has a low penetration capacity into the skin, which is particularly advantageous for a sun protection product. In cosmetics it is often used due to its moisturizing and cooling effects. Studies have shown that the oil has a sun protection factor of between 2 and 7 depending on the source. This means that the natural sun protection factor of the skin is extended by 2 to 7 times. For a light skin type with natural protection of 5 minutes, this would be extended to 10 minutes for SPF 2 and 35 minutes for SPF 7.
Mango butter has a firm consistency at room temperature and is often used in creams and lotions. Like coconut, shea and cocoa butter, it binds the watery part well. It also has a refatting, healing and regenerating character with moisturizing effects on dry and chapped skin. The skin becomes softer and more supple.
Jojoba oil is often used in cosmetics because it cares for the skin and is absorbed by the skin almost without residue. Therefore no oily film remains on the skin. The oil is well tolerated by all skin types and has moisturizing and antibacterial effects. It regulates the moisture balance and makes the skin soft, smooth and resistant at the same time. Those who are plagued by impure skin may be well advised to use jojoba oil. Its antibacterial effects prevent the spreading of germs without drying out the skin at the same time.
Due to its high content of antioxidant substances, rosehip oil can support the effect of sunscreens. It does not itself provide sufficient protection against UV rays, but has a low natural sun protection factor – just like other oils. In addition, wild rose oil improves the protection of the skin, which in turn prevents premature aging and skin damage caused by UV rays. This can be additional pigmentation or the skin exposed to the sun becomes blotchy.
Glycerine has very moisturizing effects on the skin and increases its elasticity. Thanks to its water-binding capacity, glycerine is often used as a humectant in formulations.
Vitamin E oil
Vitamin E is a powerful antioxidant that protects the skin from free radicals. These aggressive molecules are constantly created during the natural metabolic processes in the body. In addition, vitamin E also stabilizes the durability of oily substances by slowing down their oxidation and rancidity.
The skin caring, essential lavender oil enriches the sun care product with its blood circulation-promoting, anti-inflammatory properties. It also gives the cream a wonderful, relaxing fragrance.
Rose geranium oil
Rose geranium oil has antiseptic effects, cools inflammations and counteracts dryness. It also gives a flowery, fresh scent.
Application and Shelf Life
Carefully apply the Sun Butter to the areas of the body that are exposed to the sun. If you are in the sun for a long time, you should apply the cream several times. Although the sun protection time cannot be prolonged, it is necessary to re-cream in order to maintain the original sun protection. This is because sunscreen and thus sun protection is lost through sweating, abrasion on textiles (e.g. by bathing or towels) and by bathing in water.
Since it is possible that the pigments are not spread evenly and cover all of your skin make sure to also wear physical sun protection like hats.
Since the Sun Butter does not contain water, it has a fairly long shelf life. Check the BBD of all ingredients and note the earliest expiry date of an ingredient. This is the shelf life of the sun butter.
DIY Sun Butter Recipe
- 10 gr zinc oxide
- 20 gr coconut oil
- 20 gr mango butter
- 35 ml jojoba oil
- 10 ml rosehip oil
- 5 ml glycerine
- 2 gr vitamin E oil
- 6 drops essential oil (lavender, rose geranium)
- bowl and pot for the water bath or heat-resistant beaker
- milk frother or whisker
- jar for the cream
- Melt cocoa and mango butter in a water bath or a heat-resistant beaker.
- Remove the liquid mixture from the stove and let it cool down to hand warmth.
- Now stir in the jojoba and rosehip oil and finally the zinc oxide, glycerine, vitamin E oil and the essential oils.
- Then whip creamy with a milk frother.
- Pour the Sun Butter into a jar and leave to set in the refrigerator for at least one hour.
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Liability: All stated effects are for information purposes only and do not replace a visit to the doctor. There is no guarantee for stated effects and skin compatibility of the raw materials and the end product. The production and application is at your own risk and responsibility.