Citrullus Lanatus Seed Oil: 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 The Personal Care Products Council's (PCPC) INCI database. Our ingredient analyses are based exclusively on PCPC's technical data to ensure accuracy and reliability.

What Is Citrullus Lanatus Seed Oil?

Citrullus Lanatus Seed Oil is a plant oil pressed from the small cream-colored seeds tucked inside every watermelon. The oil is mostly made up of essential fatty acids such as linoleic, oleic, palmitic and stearic acids, along with minor amounts of vitamin E and plant sterols that give it natural antioxidant activity. Records show that people in Africa roasted and pressed watermelon seeds for culinary and skin care uses for centuries, but the ingredient moved into modern cosmetics once cold-press extraction made it easy to obtain a light, fast-absorbing oil with a long shelf life. Today the seeds are cleaned, mechanically pressed then gently filtered; some batches are further refined to remove scent and color so the oil blends seamlessly into finished formulas. You will find Citrullus Lanatus Seed Oil in lightweight facial oils, daily moisturizers, body lotions, after-sun gels, lip balms, hair serums and products aimed at soothing or balancing oily and combination skin.

Citrullus Lanatus Seed Oil’s Cosmetic Benefits/Uses

In skin and hair care products Citrullus Lanatus Seed Oil serves two main functions that translate into several practical benefits.

  • Skin Conditioning — The oil softens the surface, supports a supple feel and helps maintain a healthy moisture barrier which can improve the look of rough or flaky areas.
  • Emollient — Its silky texture fills in tiny gaps between skin cells to create a smooth finish, reduce transepidermal water loss and add slip to a formula for easy spreadability.

Who Can Use Citrullus Lanatus Seed Oil

This light, quick-absorbing oil suits most skin types, including oily, combination, normal and mildly dry skin because it sinks in without leaving a heavy film. Very dry skin may still want to top up with a richer butter or occlusive balm for extra comfort. The oil is derived entirely from watermelon seeds so it is suitable for vegetarians and vegans and it has no animal-derived additives unless the finished product combines it with other ingredients. Citrullus Lanatus Seed Oil has no known hormone-like activity which makes it generally regarded as safe for use during pregnancy or while breastfeeding, but this is not medical advice and anyone who is pregnant or nursing should run any skincare they plan to use past a qualified doctor. The ingredient does not increase photosensitivity so it will not make skin more reactive to sunlight, though daily sunscreen is still a must for overall skin health. People with a confirmed allergy to watermelon or other members of the gourd family should steer clear

Potential Side Effects/Adverse Reactions

  • Allergic contact dermatitis redness, itching or small bumps in individuals sensitive to watermelon or related plants
  • Breakouts occasional clogged pores in very acne-prone skin especially if layered with other heavy products
  • Irritation from oxidized oil stinging or redness if the oil has gone rancid due to poor storage or an expired shelf life
  • Heightened absorption of actives in rare cases increased penetration of strong actives mixed with the oil may lead to tingling or sensitivity

If any of these reactions occur discontinue use and consult a healthcare professional

Comedogenic Rating

Rating: 1 out of 5
Citrullus Lanatus Seed Oil is rich in lightweight linoleic acid and absorbs quickly, which means it is less likely to sit on the surface and clog pores. Minimal reports of pore blockage place it just above completely non-comedogenic oils such as hemp seed oil but far below thicker oils like coconut. Because of this low score, the oil is generally suitable for skin that is prone to acne or frequent breakouts. Refinement level and overall formulation can still influence how it behaves, so results may vary from brand to brand.

Summary

Citrullus Lanatus Seed Oil conditions skin and acts as a silky emollient that fills microscopic gaps between cells, reinforces the moisture barrier and leaves a smooth, soft finish. Its blend of linoleic, oleic, palmitic and stearic acids delivers these benefits while tocopherols add light antioxidant support.

The ingredient has been gaining steady popularity thanks to its fast absorption and neutral scent, though it is not yet as mainstream as argan or jojoba. It slots easily into light facial oils, lotions and after-sun care aimed at normal to oily skin.

Topical use is considered very safe with a low risk of irritation or sensitivity when fresh and properly stored. As with any new cosmetic ingredient it is wise to patch test a product that contains Citrullus Lanatus Seed Oil before full application to make 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