# DOT & KEY WATERMELON COOLING SUNSCREEN for oily acne-prone skin

**Lovi Fit: Average fit for oily acne-prone skin.**
Oily Skin Fit: Average · Effectiveness: Average · Safety: High.

Page: https://lovi.care/skincare/uk/p/dot-and-key/watermelon-cooling-sunscreen/for/oily-acne-prone-skin

The Lovi Fit is the same in every country; only the stores and prices differ, and the ones here are for the United Kingdom.

Brand: [DOT & KEY](https://lovi.care/skincare/uk/brands/dot-and-key)
Category: [Sunscreens and SPF moisturizers](https://lovi.care/skincare/uk/best/sunscreens)

This fit is calculated for the concerns frequently associated with oily acne-prone skin: shine, breakouts, blemishes, and enlarged pores. For scores based on a full skin profile (12D face scan, goals, preferences), use the Lovi app.

Works for oily acne-prone skin; other sunscreens fit it better.

## Why this fit

- Offers moderate moisturizing and UV protection for your oily skin due to Hyaluronic Acid and Glycerin, but lacks targeted ingredients to effectively address your acne, blemishes, and breakouts.
- While the multiple UV filters provide adequate sun protection, the formula does not contain strong seboregulating ingredients that would be optimal for managing oiliness.
- The product is safe for your oily skin, with no risks of irritation due to the absence of prohibited or harsh ingredients.

## Fit by skin type

- [Oily skin](https://lovi.care/skincare/uk/p/dot-and-key/watermelon-cooling-sunscreen/for/oily-skin): Average
- [Dry skin](https://lovi.care/skincare/uk/p/dot-and-key/watermelon-cooling-sunscreen/for/dry-skin): Average
- [Combination skin](https://lovi.care/skincare/uk/p/dot-and-key/watermelon-cooling-sunscreen/for/combination-skin): Average
- [Sensitive skin](https://lovi.care/skincare/uk/p/dot-and-key/watermelon-cooling-sunscreen/for/sensitive-skin): Average
- [Acne-prone skin](https://lovi.care/skincare/uk/p/dot-and-key/watermelon-cooling-sunscreen/for/acne-prone-skin): Average
- [Skin with dark spots](https://lovi.care/skincare/uk/p/dot-and-key/watermelon-cooling-sunscreen/for/dark-spots): Average
- [Mature skin](https://lovi.care/skincare/uk/p/dot-and-key/watermelon-cooling-sunscreen/for/mature-skin): Average
- [Dry sensitive skin](https://lovi.care/skincare/uk/p/dot-and-key/watermelon-cooling-sunscreen/for/dry-sensitive-skin): Average
- [Oily acne-prone skin](https://lovi.care/skincare/uk/p/dot-and-key/watermelon-cooling-sunscreen/for/oily-acne-prone-skin): Average (this page)

## Key ingredients

Watermelon Extract, Hyaluronic Acid, Glycerin

## What the research says

- A single application of a moisturizing fluid containing hyaluronic acid 1%, glycerin 5%, and Centella asiatica stem cells extract significantly increased skin hydration by 29% and reduced transepidermal water loss at 24 hours compared to baseline and an untreated control site in twenty healthy women. ([Clinical, Cosmetic and Investigational Dermatology, 2017](https://pubmed.ncbi.nlm.nih.gov/28860834/))
- Coniferyl alcohol derived from seed watermelon promoted linoleic acid-stimulated lipogenesis by approximately 2.2-fold at 300 µM and increased total lipid content in SZ95 sebocytes compared to controls. ([Molecules, 2025](https://pubmed.ncbi.nlm.nih.gov/40871513/))
- Topical application of 0.1% hyaluronic acid formulations of different molecular weights led to significant improvements in skin hydration and elasticity, with low-molecular-weight formulations also significantly reducing wrinkle depth in seventy-six female subjects compared to a vehicle control. ([Journal of Drugs in Dermatology, 2011](https://pubmed.ncbi.nlm.nih.gov/22052267/))
- Topical application of hyaluronic acid in conjunction with free gingival graft significantly reduced donor site postoperative pain until day 7 compared to normal saline, with no significant differences in graft dimensions or patient satisfaction. ([Clinical Oral Investigations, 2022](https://pubmed.ncbi.nlm.nih.gov/34623507/))
- Treatment with a hyaluronic acid-containing mouth rinse or topical gel led to significant lesion reduction, pain relief, and normalization of lesion color in adult patients with minor recurrent aphthous stomatitis, with the gel formulation showing an earlier healing onset at 3 days. ([BMC Oral Health, 2019](https://pubmed.ncbi.nlm.nih.gov/31311529/))
- The emollient V0034CR significantly reduced TEWL compared to vehicle and vehicle plus glycerol, and significantly increased corneometry scores compared to vehicle and vehicle plus petrolatum in healthy volunteers with dry skin, demonstrating combined barrier function improvement from petrolatum and hydration improvement from glycerol. ([Journal of Cosmetic Dermatology, 2020](https://pubmed.ncbi.nlm.nih.gov/31532576/))
- Ten days of treatment with a cream containing 20% glycerin significantly increased skin hydration measured by corneometer values in 17 healthy volunteers compared to a placebo cream, but showed no influence on transepidermal water loss or skin sensitivity to an irritating surfactant. ([International Journal of Cosmetic Science, 2001](https://pubmed.ncbi.nlm.nih.gov/18498456/))
- Niacinamide/glycerin body moisturizers provided better rapid and prolonged improvement of cosmetic xerosis through functional improvement of stratum corneum barrier function compared to no treatment and conventional moisturizers in female subjects. ([Journal of Drugs in Dermatology, 2012](https://pubmed.ncbi.nlm.nih.gov/22206073/))

## Why other sunscreens fit oily acne-prone skin better

- Co-delivery of paeonol and madecassoside via nanoemulsions improved transdermal delivery, promoted barrier repair proteins, inhibited inflammatory cytokine secretion in cellular and 3D models, and reduced transepidermal water loss and acne in human facial skin compared to free components. ([Molecules, 2023](https://pubmed.ncbi.nlm.nih.gov/37446936/))

## What reviewers say

Based on a very large amount of data, this sunscreen is highly regarded for its lightweight, hydrating, and non-greasy feel, suitable for oily, combination, and dry skin. Users appreciate the instant cooling effect and the absence of a white cast. Some reviews indicate it is not sweat-proof and may require frequent reapplication for sustained protection.

- Liked: Lightweight, non-greasy (mostly mentioned)
- Liked: No white cast (mostly mentioned)
- Liked: Cooling sensation (often mentioned)
- Liked: Hydrating, absorbent (often mentioned)
- Disliked: Not sweat-proof (sometimes noted)
- Disliked: Needs reapplication (rarely noted)
- Disliked: Questionable protection (rarely noted)

## How to apply

- Use your moisturizing sunscreen every morning. Reapply throughout the day if you are outside.
- Apply this moisturizing sunscreen as the final step of your morning routine after your moisturizer.
- Gently smooth a nickel-sized amount over your face and neck, avoiding harsh rubbing to keep oily areas calm.
- Apply this moisturizing sunscreen on clean, dry skin to ensure even coverage and protection.
- Avoid getting the product into your eyes and do a patch test before your first use.
- Video: https://storage.pora.ai/53e9a436d82fca2a189dd08aa21de2fd.mp4

## Questions and answers

### How well does Dot & Key Watermelon Cooling Sunscreen work for oily acne-prone skin?

Dot & Key Watermelon Cooling Sunscreen works moderately well for oily acne-prone skin by providing sun protection and basic moisture through hyaluronic acid and glycerin, though it lacks ingredients to target breakouts and excess oil. A product of this type needs soothing and balancing ingredients like zinc oxide, niacinamide, or centella asiatica to properly manage oiliness and acne.
Sources: [Clinical, Cosmetic and Investigational Dermatology, 2017](https://pubmed.ncbi.nlm.nih.gov/28860834/)

### Which ingredients make this sunscreen a good fit for oily acne-prone skin?

Hyaluronic acid and glycerin make this sunscreen a reasonable fit for your oily skin by offering moderate moisture and sun protection, though it lacks targeted ingredients for breakouts. A sunscreen of this type needs ingredients like zinc oxide, niacinamide, or soothing plant extracts to help manage oiliness and address acne for this skin type.
Sources: [Clinical, Cosmetic and Investigational Dermatology, 2017](https://pubmed.ncbi.nlm.nih.gov/28860834/)

### What does Watermelon Extract do for oily acne-prone skin?

Watermelon Extract helps soothe oily, acne-prone skin and is unlikely to cause irritation while supporting a clearer complexion. A product of this type needs lightweight hydration and balancing ingredients that control extra oil without clogging pores.

### What does Hyaluronic Acid do for oily acne-prone skin?

Hyaluronic acid helps calm oily acne-prone skin by reducing sebum production and lipid synthesis in sebaceous glands. It also supports skin barrier function and improves hydration while helping deliver treatments without causing irritation.
Sources: [The Journal of Investigative Dermatology, 2017](https://pubmed.ncbi.nlm.nih.gov/28163068/), [Journal of Cosmetic Dermatology, 2022](https://pubmed.ncbi.nlm.nih.gov/35796638/)

### Where does this sunscreen go in a skincare routine for oily acne-prone skin?

This sunscreen goes in your morning routine as the final step after your moisturizer. It provides moderate sun protection and hydration for your oily skin using glycerin and hyaluronic acid, but an oily acne-prone skin type also needs targeted ingredients to help manage breakouts and control oiliness.
Sources: [Clinical, Cosmetic and Investigational Dermatology, 2017](https://pubmed.ncbi.nlm.nih.gov/28860834/)

### Can I use this sunscreen with retinol, and in what order?

You can use this sunscreen in the morning as the final step of your skincare routine before sun exposure. It helps keep your skin soft and hydrated with hyaluronic acid and glycerin, and it is unlikely to irritate oily skin.
Sources: [Clinical, Cosmetic and Investigational Dermatology, 2017](https://pubmed.ncbi.nlm.nih.gov/28860834/)

### How often should I use this sunscreen?

You can use this sunscreen every morning to provide moderate moisture and sun protection for your oily skin. This product works safely for your skin type without causing irritation, though oily acne-prone skin also needs targeted blemish-fighting ingredients and oil-control components to stay clear.
Sources: [Clinical, Cosmetic and Investigational Dermatology, 2017](https://pubmed.ncbi.nlm.nih.gov/28860834/), [Health Science Reports, 2021](https://pubmed.ncbi.nlm.nih.gov/34141902/)

### Can this sunscreen clog pores, cause breakouts or purging for oily acne-prone skin?

This sunscreen is unlikely to clog pores or cause breakouts because it is free of harsh, irritating ingredients, though it lacks targeted blemish-fighting ingredients to help manage acne. Oily acne-prone skin typically benefits from lightweight formulas with added oil-controlling and breakout-clearing ingredients to keep pores clear.

### Is this sunscreen fragrance-free and alcohol-free?

Yes, it has no fragrance and no drying alcohol.

## Alternatives for oily acne-prone skin

- [Purito Daily Soft Touch Sunscreen](https://lovi.care/skincare/uk/p/purito/daily-soft-touch-sunscreen/for/oily-acne-prone-skin) — High fit — £9.99 at Amazon
- [Eucerin Sun Fluid Anti-Age SPF 50](https://lovi.care/skincare/uk/p/eucerin/photoaging-control-sun-fluid-spf-50/for/oily-acne-prone-skin) — High fit — £18.40 at Amazon
- [Isntree Hyaluronic Acid Watery Sun Gel](https://lovi.care/skincare/uk/p/isntree/hyaluronic-acid-watery-sun-gel/for/oily-acne-prone-skin) — High fit — £11.80 at Amazon

## Pairs well with

- Cleanser: [Paula's Choice CLEAR Pore Normalizing Cleanser](https://lovi.care/skincare/uk/p/paula-s-choice/clear-pore-normalizing-cleanser/for/oily-acne-prone-skin) — Superior fit — £26.00 at Amazon
- Hydrating Toner: [Paula's Choice Pore-Reducing Toner](https://lovi.care/skincare/uk/p/paula-s-choice/skin-balancing-pore-reducing-toner/for/oily-acne-prone-skin) — Superior fit — £30.37 at Amazon
- Moisturizer: [COSRX Oil-Free Ultra-Moisturizing Lotion with Birch Sap](https://lovi.care/skincare/uk/p/cosrx/oil-free-ultra-moisturizing-lotion-with-birch-sap/for/oily-acne-prone-skin) — Superior fit — £14.80 at Amazon

## Where to buy

- Amazon.co.uk: £8.63 (https://www.amazon.co.uk/dp/B0BQN2YWN5?tag=lovi-care-web-product-21&linkCode=osi&th=1&psc=1)
Prices checked 5 Nov 2026.

## Ingredients

Watermelon Extract, Hyaluronic Acid, Water, Glycerin, Ethylhexyl Methoxycinnamate, Butyl Methoxydibenzoylmethane, Ethylhexyl Salicylate, Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine, Diethylamino Hydroxybenzoyl Hexyl Benzoate, Phenoxyethanol
## About the Lovi Fit

Lovi: Unbiased, science-based skincare AI trained on real user outcomes.

Lovi calculates every fit score from the full ingredient list with brand-independent rules its dermatologists and cosmetic chemists build and review, and personalizes every pick with AI trained on the real results of millions of users. Lovi trains its fit score models on a proprietary dataset built from more than 10,000 expert-labeled products and more than 100,000 simulated examples, following an internally consistent methodology presented at Cosmoprof, AMWC, and Skin of Color Update. Levels from best to worst: Superior, High, Average, Low, Caution, Warning.

Behind this fit score: Nadia Kapleva, MS (Co-founder, Medical Director); Alexey Shagraev, PhD (Co-founder, CEO and CTO); Dr. Sofía Perea Pérez, MD, MSc (Medical Board); Aishani Shah, MD (Medical Board); Asya Zubkova, MS (Medical Board); Hanna Kurets, MD (Medical Board, Medical Advisor); Elina Nazarenko, MD (Medical Board); Victoria Derkova, MS (Medical Board).

Page built Nov 8, 2026.

More from Lovi: https://lovi.care/skincare/llms.txt

## This page in other countries

- United States: https://lovi.care/skincare/p/dot-and-key/watermelon-cooling-sunscreen/for/oily-acne-prone-skin
- United Kingdom: https://lovi.care/skincare/uk/p/dot-and-key/watermelon-cooling-sunscreen/for/oily-acne-prone-skin (this page)
- Ireland: https://lovi.care/skincare/ie/p/dot-and-key/watermelon-cooling-sunscreen/for/oily-acne-prone-skin
- Germany: https://lovi.care/skincare/de/p/dot-and-key/watermelon-cooling-sunscreen/for/oily-acne-prone-skin
- France: https://lovi.care/skincare/fr/p/dot-and-key/watermelon-cooling-sunscreen/for/oily-acne-prone-skin
- Italy: https://lovi.care/skincare/it/p/dot-and-key/watermelon-cooling-sunscreen/for/oily-acne-prone-skin
- Netherlands: https://lovi.care/skincare/nl/p/dot-and-key/watermelon-cooling-sunscreen/for/oily-acne-prone-skin
- Spain: https://lovi.care/skincare/es/p/dot-and-key/watermelon-cooling-sunscreen/for/oily-acne-prone-skin
- Canada: https://lovi.care/skincare/ca/p/dot-and-key/watermelon-cooling-sunscreen/for/oily-acne-prone-skin
- Australia: https://lovi.care/skincare/au/p/dot-and-key/watermelon-cooling-sunscreen/for/oily-acne-prone-skin
- Singapore: https://lovi.care/skincare/sg/p/dot-and-key/watermelon-cooling-sunscreen/for/oily-acne-prone-skin
- Saudi Arabia: https://lovi.care/skincare/sa/p/dot-and-key/watermelon-cooling-sunscreen/for/oily-acne-prone-skin
- United Arab Emirates: https://lovi.care/skincare/ae/p/dot-and-key/watermelon-cooling-sunscreen/for/oily-acne-prone-skin