Citrullus Lanatus Fruit Juice: What Is It, Cosmetic Uses, Benefits & Side Effects

Curious about this ingredient? In this article we're explaining exactly what it is and why it's used within cosmetic formulations.
Updated on: June 24, 2025
Share:
Inside this article:

All information on this page is verified using publicly available nomenclature standards and reference materials from The Personal Care Products Council (PCPC) and the European Commission's CosIng database. Our analyses are based on technical data from these sources to ensure accuracy and reliability.

What Is Citrullus Lanatus Fruit Juice?

Citrullus Lanatus Fruit Juice is simply watermelon juice that has been pressed and purified for use in personal care products. Sourced from the flesh of ripe watermelons, it contains naturally occurring sugars, minerals like potassium and magnesium, antioxidants such as lycopene plus the amino acid citrulline that gives the plant its botanical name. People have enjoyed watermelon for thousands of years, first for refreshment then later for its skin soothing qualities when pulp was applied directly to the face in traditional beauty routines. Modern cosmetics started adding refined watermelon juice in the late twentieth century once formulators realized its light scent, pleasant taste and water-rich make-up could boost hydration without leaving a greasy feel.

To manufacture the cosmetic grade ingredient, fresh fruit is washed, peeled and mechanically pressed. The raw juice is filtered to remove seeds and fibers, then pasteurized to ensure safety. It may be concentrated or spray-dried for easier transport before being rehydrated in the final product. You will spot Citrullus Lanatus Fruit Juice in hydrating face masks, daily moisturizers, after-sun gels, facial mists, lightweight serums, scalp tonics, body lotions and flavored lip balms where its mild aroma and moisture binding ability shine.

Citrullus Lanatus Fruit Juice’s Cosmetic Benefits/Uses

This ingredient supports formulas in two main ways:

  • Flavouring: Adds a subtle, naturally sweet watermelon taste and scent that can make products like lip balms or glosses more enjoyable to use without synthetic flavor chemicals
  • Humectant: Attracts and binds water to the skin or hair surface helping maintain softness, plumpness and a fresh feel throughout the day which is especially helpful in lightweight gels and mists
Who Can Use Citrullus Lanatus Fruit Juice

Watermelon juice is light, water based and free of heavy oils so it suits most skin types including oily, combination, normal and dry. Very sensitive or highly reactive skin is usually fine with it as well because the juice is low in acids and contains no known harsh compounds. Those with a history of fruit allergies should still be cautious since it does come from a botanical source.

The ingredient is plant derived with no animal by-products which makes it acceptable for vegans and vegetarians.

Current research shows no specific risks linked to topical watermelon juice during pregnancy or while breastfeeding. That said this is not medical advice and anyone who is pregnant or nursing should check with a doctor before adding new skincare just to be safe.

Citrullus Lanatus Fruit Juice does not increase the skin’s sensitivity to the sun so there is no extra need for photo-protection beyond using a normal daily sunscreen.

Potential Side Effects/Adverse Reactions

Reactions to topical Citrullus Lanatus Fruit Juice differ from person to person. The effects listed below are only potential issues and are unlikely for most users when the ingredient is properly formulated.

  • Mild redness or itching in people who have an existing allergy to watermelon or other cucurbit plants
  • Stinging sensation if applied to broken or freshly exfoliated skin
  • Contact dermatitis in very rare cases where an individual is extremely sensitive to plant sugars or proteins

If any irritation persists stop use and seek advice from a healthcare professional.

Comedogenic Rating

Rating: 0 / 5

Citrullus Lanatus Fruit Juice is almost entirely water with small amounts of natural sugars, electrolytes and antioxidants but virtually no pore-clogging lipids. Because it lacks fatty acids and waxes that can build up inside follicles it earns the lowest possible score on the comedogenic scale. This makes it a safe pick for people who deal with blackheads, whiteheads or general breakouts.

Its light non-occlusive nature also means it layers well under heavier creams without adding to congestion risk. The only caveat is that a finished product containing the juice might include other ingredients that do carry comedogenic potential so always judge the full formula not just this single component.

Summary

Citrullus Lanatus Fruit Juice mainly acts as a humectant and a natural flavouring agent. The high water and sugar content draws moisture toward the skin or lips keeping them supple while its mild watermelon taste and scent enhance sensory appeal in balms mists and gels.

You will see it pop up in K-beauty hydrating serums summertime face masks and fruity lip products but it is still less common than heavy hitters like glycerin or hyaluronic acid. Formulators appreciate its freshness yet supply limits and seasonal pricing keep it from being as widespread as those staples.

Overall watermelon juice is considered very safe for topical use with low allergy rates and no photo-sensitising properties. As with any new skincare ingredient though it is smart to perform a quick patch test before full application so you can be sure your skin agrees with it.

Was this article helpful?
More from Glooshi:
ADVERTISEMENT
Get all our top headlines in beauty.
Delivered right to your inbox each week. Zero spam, all goodness, opt-out at anytime.
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Get the latest beauty news, top product recommendations & brand-exclusive discount codes direct to your inbox.
Send good feedback:

All feedback is greatly appreciated, anonymous, and will be used to improve the quality of our articles.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Send bad feedback:

All feedback is greatly appreciated, anonymous, and will be used to improve the quality of our articles.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Search