We’re continuing our Watermelon Mint series today with a silky, fruity, easy-to-make Watermelon Mint Summer Body Oil. This lovely oil leaves your skin soft and glowing without feeling greasy or heavy. It’s got a fresh, subtle scent, and can be made in mere minutes. Let’s dive in!

How to Make Watermelon Mint Summer Body Oil

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The bulk of this satiny Watermelon Mint Summer Body Oil is (somewhat unsurprisingly!) watermelon seed oil. This beautiful carrier oil is pressed from the seeds of watermelons; it has a slightly fruity scent and it absorbs into the skin quickly with a lovely almost-dry skin feel. It’s rich in linoleic acid and contains phytosterols that are rarely found in vegetable oils.

 

Save 8% on watermelon oil and everything else at Mystic Moments with coupon code HUMBLEBEE

Our next carrier oil is sunflower seed oil, though you could easily use a different light-to-midweight oil in its place. Safflower oil, grapeseed oil, apricot kernel oil, and sweet almond oil would all be good choices. If you’re trying to choose between them, I recommend putting a few drops on your arm and massaging them in to see what you think of the feel—choose the one you like the best!

To keep things ultra-lightweight and fast-absorbing I’ve also included some C12-15 alkyl benzoate. I love this beautiful ester; it has a gorgeous, expensive feel and a stunning dry, light skin feel. Swoon. If you don’t have it, isopropyl myristate is a good alternative.

Save 5% on C12-15 alkyl benzoate and everything else at Essential Wholesale & Labs with coupon code HUMBLEBEE

For scent, I’ve kept things soft and fresh. A small amount of peppermint essential oil and an even smaller amount of watermelon fragrance oil create a subdued, refreshing, fruity scent. Lovely!

The finished oil has a silky slip, a gorgeous dry-down, and is utterly lovely on the skin. While I’ve made mine in a small beaker you could very easily just weigh everything into the bottle you’ll be storing it in, cap, shake, et voila! Enjoy!

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Watermelon Mint Summer Body Oil

20g | 40% watermelon seed oil
17.1g | 34.2% C12-15 alkyl benzoate
12.5g | 25% sunflower seed oil

0.25g | 0.5% Vitamin E MT-50 (USA / Canada)
0.1g | 0.2% peppermint essential oil
0.05g | 0.1% watermelon fragrance oil

Weigh the ingredients into a small measuring cup or beaker and stir to combine. Transfer to a 50mL (1.69fl oz) bottle, and that’s it! I recommend using a bottle with either a treatment pump cap or a turret cap. An eyedropper cap would also work, but that would be my last choice. I used a 50mL (1.69fl oz) frosted glass Zelo bottle from New Directions Aromatics with a treatment pump cap that looks to be out of stock at the time of this writing.

To use, smooth a few drops of the oil over any skin that could use a bit of pampering!

Shelf Life & Storage

Because this body oil is 100% oil-based, it does not require a broad-spectrum preservative (broad spectrum preservatives ward off microbial growth, and microbes require water to live—no water, no microbes!). Kept reasonably cool and dry, it should last at least a year before any of the oils go rancid. If you notice it starts to smell like old nuts or crayons, that’s a sign that the oils have begun to oxidize; chuck it out and make a fresh batch if that happens.

Substitutions

As always, be aware that making substitutions will change the final product. While these swaps won’t break the recipe, you will get a different final product than I did.

  • As I’ve provided this recipe in percentages as well as grams you can easily calculate it to any size using a simple spreadsheet as I’ve explained in this post. As written in grams this recipe will make 50g, which fills a 50mL (1.69fl oz) bottle perfectly.
  • To learn more about the ingredients used in this formulation, including why they’re included and what you can substitute them with, please visit the Humblebee & Me Encyclopedia. It doesn’t have everything in it yet, but there’s lots of good information there! If I have not given a specific substitution suggestion in this list (C12-15 alkyl benzoate, sunflower seed oil, watermelon seed oil) please look up the ingredient in the encyclopedia before asking.
  • My top choices for C12-15 alkyl benzoate alternatives would be isopropyl myristate (IPM) and Neossance® Hemisqualane.
  • You can drop the essential oil and/or fragrance oil, replacing it with more sunflower seed oil.
  • You can use a different essential oil and/or fragrance oil.

Gifting Disclosure

The C12-15 alkyl benzoate was gifted by Essential Wholesale. The watermelon seed oil was gifted by Mystic Moments.

 

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