This DIY serum is a good all-rounder that's suitable for all skin types, It has wonderful hydrating, soothing, and antioxidant benefits, to keep the skin soft yet supple.
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Weigh and place your hydrosol and distilled water into a beaker.
25 grams Sweet Orange Hydrosol, 19 grams Distilled Water
Add the fruit extracts and the aloe vera powder to the water. Stir until the aloe vera powder has fully dissolved. Depending on the fruit extracts you have used, the color of the water may become cloudy or discolored. This will not have any impact on the performance of the serum.
0.75 grams AHA Fruit Extract , 0.25 grams Aloe Vera Powder
Add your preservative and stir again. It may look like the preservative is not fully dissolved at this point, set it aside and leave it to stand while you mix up the gum and glycerine.
0.5 grams Preservative
In a separate container weigh your glycerin and xanthan gum. Stir until most of the gum has dissolved. This can take a little while, you can quicken it up by squashing the gum against the container with a silicon stirrer.Then, once the gum has been dissolved, grab your beaker containing the water, and give it another good stir to ensure the preservative has now disbursed.
4 grams Glycerine, 0.5 grams Clear Xanthan Gum
Now It's time to mix the content of the two beakers together. If you have a small flexible silicon spatula, you can usually scrap the gum into the water with little waste. If not it may be easier to add water to the gum.Once combined the serum will seem relatively thin and watery. As the gum dissolves into the water it will thicken up. You can speed this process up, by using a mini milk whisk. If you do use a mini whisk try to keep it as close to the bottom of the beaker as possible. Otherwise, you could stir it well and leave it to sit for 30 to 60 minutes. This should be enough time for the serum to thicken up.
Transfer the serum to a suitable bottle and leave it to rest for 24 hours before using. The xanthan gum will continue to thicken over these 24 hours.
2oz Serum Bottles
Notes:
Substitutions:
Hydrosol: If you don't have sweet orange hydrosol, you can substitute it with another hydrosol like rose, lavender, or chamomile, depending on your scent preference.
Fruit Extract: There are many different fruit extracts available to try, such as strawberry, blueberry, and AHA fruit extract which is a mix of fruits and sugars. You could also consider other extracts like green tea for antioxidants, or cucumber for soothing properties
Aloe Vera Powder: You can use aloe vera gel instead of aloe vera powder. Although you will need to use a higher percentage. I would use around 4.25g and lower the distilled water by 4g. It may change the texture slightly, but the serum will still turn out great.
Preservative: Ensure that the preservative you use is suitable for water-based formulations. Common water-soluble preservatives include preservative eco and Germaben II. Just remember to always follow the recommended usage rates for your chosen preservative.
Glycerin: Glycerin can be substituted with glycerite or another humectant like hyaluronic acid or propylene glycol if you prefer or have them on hand. To be honest, Glycerin is one of the best and cheapest humectants on the market, so this would always be my first port of call.
Xanthan Gum: If you don't have clear xanthan gum, you can use regular xanthan gum or other natural thickeners like guar gum. This will however change the look of your finished product, giving it a more cloudy appearance. If you are storing it in an opaque/tinted bottle this shouldn't be a problem.