# Dr. Dennis Gross Clarifying Colloidal Sulfur Mask for acne-prone skin

**Lovi Fit: High fit for acne-prone skin.**
Combination Skin Fit: High · Effectiveness: High · Safety: Excellent.

Page: https://lovi.care/skincare/uk/p/dr-dennis-gross/clarifying-colloidal-sulfur-mask/for/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: [Dr. Dennis Gross](https://lovi.care/skincare/uk/brands/dr-dennis-gross)
Category: [Face masks](https://lovi.care/skincare/uk/best/face-masks)

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

A great choice for acne-prone skin; a few cleansing masks fit it even better.

## Why this fit

- Offers excellent pore cleansing for your combination skin, as colloidal sulfur and zinc oxide work to decongest pores and reduce blemishes, while retinol provides anti-inflammatory and exfoliating functions for your acne and breakouts.
- Aloe barbadensis leaf juice and bisabolol further soothe the skin, enhancing the overall efficacy for your specific concerns.
- The product is safe for your acne-prone skin, with no risks of irritation due to the absence of harsh ingredients and the presence of soothing components.

## Fit by skin type

- [Oily skin](https://lovi.care/skincare/uk/p/dr-dennis-gross/clarifying-colloidal-sulfur-mask/for/oily-skin): High
- [Dry skin](https://lovi.care/skincare/uk/p/dr-dennis-gross/clarifying-colloidal-sulfur-mask/for/dry-skin): Caution
- [Combination skin](https://lovi.care/skincare/uk/p/dr-dennis-gross/clarifying-colloidal-sulfur-mask/for/combination-skin): High
- [Sensitive skin](https://lovi.care/skincare/uk/p/dr-dennis-gross/clarifying-colloidal-sulfur-mask/for/sensitive-skin): Average
- [Acne-prone skin](https://lovi.care/skincare/uk/p/dr-dennis-gross/clarifying-colloidal-sulfur-mask/for/acne-prone-skin): High (this page)
- [Skin with dark spots](https://lovi.care/skincare/uk/p/dr-dennis-gross/clarifying-colloidal-sulfur-mask/for/dark-spots): High
- [Mature skin](https://lovi.care/skincare/uk/p/dr-dennis-gross/clarifying-colloidal-sulfur-mask/for/mature-skin): Average
- [Dry sensitive skin](https://lovi.care/skincare/uk/p/dr-dennis-gross/clarifying-colloidal-sulfur-mask/for/dry-sensitive-skin): Caution
- [Oily acne-prone skin](https://lovi.care/skincare/uk/p/dr-dennis-gross/clarifying-colloidal-sulfur-mask/for/oily-acne-prone-skin): Superior

## Key ingredients

Colloidal Sulfur, Zinc Oxide, Licorice Root Extract, Retinol, Aloe Barbadensis Leaf Juice

## What the research says

- Biomimetic hyaluronic acid-stabilized zinc oxide nanoparticles selectively inhibited C. acnes, outperformed erythromycin in preclinical acne models, and safely reduced acne lesions and redness in a clinical trial. ([Journal of Controlled Release, 2025](https://pubmed.ncbi.nlm.nih.gov/40254135/))
- Topical 0.5% hyaluronic-ZnO nanogel applied twice daily reduced inflammatory-lesion counts by 58% at week four in human subjects compared to baseline without causing erythema. ([Biomedicines, 2025](https://pubmed.ncbi.nlm.nih.gov/41007718/))
- A cream combining propolis, tea tree oil, and Aloe vera reduced erythema scars, acne severity index, and total lesion count better than erythromycin cream in sixty patients with mild to moderate acne vulgaris compared to placebo. ([Clinical Pharmacology, 2018](https://pubmed.ncbi.nlm.nih.gov/30588129/))
- Azelaic acid was probably less effective than benzoyl peroxide in acne treatment response, while showing little or no difference compared to tretinoin, and adverse events were mild and transient across evaluated topical treatments. ([Journal of Evidence-based Medicine, 2020](https://pubmed.ncbi.nlm.nih.gov/33034949/))
- Topical application of precipitated sulphur 2-8% petrolatum achieved a 95% clinical and ectoparasitological cure rate in 40 ambulatory scabies patients without relevant adverse effects. ([Revista de Investigacion Clinica; Organo Del Hospital de Enfermedades de la Nutricion, 2004](https://pubmed.ncbi.nlm.nih.gov/15776866/))
- Topical 10% benzoyl peroxide and 2%-5% sulfur cream achieved "good" to "excellent" results with no undesirable side effects in 113 consecutive patients with acne. ([Canadian Medical Association Journal, 1966](https://pubmed.ncbi.nlm.nih.gov/4223133/))
- Nels cream achieved a similar reduction in inflammatory and noninflammatory lesion counts compared to 5% benzoyl peroxide in acne vulgaris patients, but caused significantly fewer side-effects such as peeling and dryness. ([Clinical and Experimental Dermatology, 2000](https://pubmed.ncbi.nlm.nih.gov/10671963/))
- Topically applied coated and uncoated zinc oxide nanoparticles under flexing and massage are retained in the stratum corneum with no significant penetration into the viable epidermis and no cellular toxicity in human skin. ([Nanomedicine, 2016](https://pubmed.ncbi.nlm.nih.gov/27102240/))
- Combining 755 nm alexandrite laser with topical licorice gel significantly reduces terminal hair counts compared to alexandrite laser with placebo in women with idiopathic hirsutism. ([Evidence-based Complementary and Alternative Medicine, 2015](https://pubmed.ncbi.nlm.nih.gov/26273313/))
- Licochalcone A activated Nrf2 signaling, elevated cytoprotective enzymes, increased the reduced-to-oxidized glutathione ratio, and decreased reactive oxygen species in human fibroblasts and neutrophils, while a LicA-rich licorice extract lowered UVA-induced oxidative processes in vivo. ([Experimental Dermatology, 2015](https://pubmed.ncbi.nlm.nih.gov/25381913/))
- Bioactive glycyrrhizic acid and oxymatrine ionic liquid self-assembled nanomicelles significantly promoted the transdermal permeation, subcutaneous retention, and anti-photoaging efficacy of palmitoyl pentapeptide-4 in cellular and animal models compared to unformulated peptide. ([Advanced Science, 2025](https://pubmed.ncbi.nlm.nih.gov/39783908/))
- Topical 0.4% retinol significantly increased epidermal thickness, dermal vascularity, and extracellular matrix production by stimulating keratinocyte proliferation, endothelial cell proliferation, and fibroblast activation in naturally aged human skin compared to vehicle. ([International Journal of Cosmetic Science, 2017](https://pubmed.ncbi.nlm.nih.gov/27261203/))
- Topical bakuchiol 0.5% applied twice daily compared with retinol 0.5% applied daily significantly decreased wrinkle surface area and hyperpigmentation with no statistical difference between the compounds in 44 patients over 12 weeks, while retinol users reported more facial skin scaling and stinging. ([The British Journal of Dermatology, 2019](https://pubmed.ncbi.nlm.nih.gov/29947134/))
- Silicone particles encapsulating retinol increased its half-life by 9-fold and yielded 12-23% lower skin irritation in human subjects compared to Microsponge particles while maintaining biological activity. ([Journal of Controlled Release, 2018](https://pubmed.ncbi.nlm.nih.gov/29604311/))
- Topical aloe vera gel significantly accelerated split-thickness skin graft donor-site healing compared to placebo in 12 patients, but showed no significant difference in pain relief. ([Plastic and Reconstructive Surgery, 2018](https://pubmed.ncbi.nlm.nih.gov/29649056/))
- Topical application of Aloe vera cream reduced postoperative pain at rest and during defecation, accelerated wound healing at two weeks, and decreased analgesic requirements in patients after open hemorrhoidectomy compared to placebo. ([Journal of Alternative and Complementary Medicine, 2010](https://pubmed.ncbi.nlm.nih.gov/20569031/))
- Formulations containing 0.10%, 0.25%, and 0.50% freeze-dried Aloe vera extract increased stratum corneum water content compared with the vehicle in 20 female subjects, while transepidermal water loss was not modified. ([Skin Research and Technology, 2006](https://pubmed.ncbi.nlm.nih.gov/17026654/))

## What reviewers say

Based on limited data, users frequently report that this mask effectively calms inflammation, reduces redness, and shrinks active breakouts, often with overnight improvements, making it particularly beneficial for acne-prone and oily skin. A notable drawback is the strong sulfur scent, and some users express frustration with the pump packaging.

- Liked: Rapid acne reduction (mostly mentioned)
- Liked: Soothes redness (often mentioned)
- Disliked: Unpleasant sulfur scent (often mentioned)
- Liked: Non-drying formula (sometimes noted)
- Liked: Pore and oil control (sometimes noted)
- Liked: Versatile use (sometimes noted)
- Disliked: Faulty pump packaging (sometimes noted)
- Disliked: High price point (rarely noted)
- Disliked: Potential irritation (rarely noted)
- Disliked: Texture issues (rarely noted)

## How to apply

- Use this cleansing mask during your PM weekly routine. Start 1x/week and increase if your skin tolerates it well.
- Apply this cleansing mask after using your pre-cleanser and cleanser , and before your hydrating toner.
- Spread an even layer of the cleansing mask over your face , avoiding any rubbing to protect your skin.
- Apply the cleansing mask to clean and dry skin to help clear up your blemishes effectively.
- Avoid the eye area and do a patch test before your first use.
- Video: https://storage.pora.ai/6089f210022bdd96805c3bf12c9a44a3.mp4

## Questions and answers

### What makes Dr. Dennis Gross Clarifying Colloidal Sulfur Mask a great fit for acne-prone skin?

This mask is a great fit because colloidal sulfur and zinc oxide deeply clean pores and calm blemishes, while retinol helps smooth skin and clear breakouts. Soothing ingredients like aloe leaf juice and bisabolol keep your skin calm and comfortable.
Sources: [Journal of Controlled Release, 2025](https://pubmed.ncbi.nlm.nih.gov/40254135/), [Biomedicines, 2025](https://pubmed.ncbi.nlm.nih.gov/41007718/)

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

Colloidal sulfur and zinc oxide help decongest pores and reduce blemishes, while retinol provides exfoliating functions for breakouts. Additionally, aloe barbadensis leaf juice and bisabolol soothe the skin to enhance overall comfort.
Sources: [Journal of Controlled Release, 2025](https://pubmed.ncbi.nlm.nih.gov/40254135/), [Biomedicines, 2025](https://pubmed.ncbi.nlm.nih.gov/41007718/)

### What does Sulfur do for acne-prone skin?

Sulfur helps calm acne-prone skin by reducing blemishes and breakouts while showing a safe and gentle profile with rare mild side effects. It works well as a therapeutic option to target various skin disorders.
Sources: [Journal of Drugs in Dermatology, 2004](https://pubmed.ncbi.nlm.nih.gov/15303787/), [Journal of the American Academy of Dermatology, 1988](https://pubmed.ncbi.nlm.nih.gov/2450900/)

### What does Zinc Oxide do for acne-prone skin?

Zinc oxide helps calm acne-prone skin by reducing breakouts, redness, and the bacteria linked to pimples. Studies show that using it on your skin is generally safe and unlikely to cause irritation.
Sources: [Journal of Controlled Release, 2025](https://pubmed.ncbi.nlm.nih.gov/40254135/), [Biomedicines, 2025](https://pubmed.ncbi.nlm.nih.gov/41007718/)

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

This cleansing mask is used once a week as part of a weekly evening routine, fitting in after your cleanser and enzyme powder, and before your hydrating toner and treatment. It is a great fit for your acne-prone skin because colloidal sulfur and zinc oxide help clear pores and reduce blemishes without causing irritation.
Sources: [Journal of Controlled Release, 2025](https://pubmed.ncbi.nlm.nih.gov/40254135/), [Biomedicines, 2025](https://pubmed.ncbi.nlm.nih.gov/41007718/)

### Can I use this mask with glycolic acid, and in what order?

You should not use this mask in the same routine as glycolic acid, as combining them may cause too much irritation on acne-prone skin. Use the mask on its own during your weekly routine and save your glycolic acid for a different day.

### How often should I use this mask?

Use this cleansing mask once a week as part of your weekly routine. People who tolerate it well and see good results can carefully use it more often.

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

This mask is a great fit for acne-prone skin because colloidal sulfur and zinc oxide decongest pores while retinol helps clear breakouts. It is unlikely to cause irritation or clog pores as it avoids harsh ingredients and includes soothing components like aloe and bisabolol.
Sources: [Journal of Controlled Release, 2025](https://pubmed.ncbi.nlm.nih.gov/40254135/), [Biomedicines, 2025](https://pubmed.ncbi.nlm.nih.gov/41007718/)

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

It has no drying alcohol and contains fragrance (farnesol). Cetearyl alcohol is a fatty alcohol, which soften the skin.

## Alternatives for acne-prone skin

- [Philosophy Purity Made Simple Pore Extractor](https://lovi.care/skincare/uk/p/philosophy/purity-made-simple-pore-extractor-exfoliating-clay-mask/for/acne-prone-skin) — High fit — £29.00 at Amazon
- [Sulwhasoo Clarifying Mask](https://lovi.care/skincare/uk/p/sulwhasoo/clarifying-mask/for/acne-prone-skin) — Average fit — £36.60 at Amazon

## Pairs well with

- Cleanser: [B.LAB Matcha Hydrating Foam Cleanser](https://lovi.care/skincare/uk/p/b-lab/matcha-hydrating-foam-cleanser/for/acne-prone-skin) — Superior fit — £8.13 at Amazon
- Hydrating Toner: [SOME BY MI Snail Truecica Miracle Repair Toner](https://lovi.care/skincare/uk/p/some-by-mi/snail-truecica-miracle-repair-toner/for/acne-prone-skin) — Superior fit — £13.98 at Amazon
- Moisturizer: [Some By Mi Yuja Niacin Brightening Moisture Gel Cream](https://lovi.care/skincare/uk/p/some-by-mi/yuja-niacin-brightening-moisture-gel-cream/for/acne-prone-skin) — Superior fit — £11.90 at Amazon

## Where to buy

No store in United Kingdom has a checked price for this product, so the page shows none.

## Ingredients

Water, Kaolin, Colloidal Sulfur, Glyceryl Stearate, Glycerin, Peg-100 Stearate, Butylene Glycol, Cetearyl Alcohol, Acacia Senegal Gum, Aloe Barbadensis Leaf Juice, Zinc Oxide, Bentonite, Carthamus Tinctorius Seed Oil, Opuntia Vulgaris Extract, Willow Bark Extract, Bisabolol, Glycyrrhiza Glabra Root Extract Licorice Root Extract, Farnesol, Rosamarinus Officinalis Oil Leaf Rosemary Oil Leaf, Phenylethyl Resorcinol, Retinol, Tocopheryl Acetate Vitamin E, Sodium Pca, Ethylhexylglycerin, Allantoin, Bht, 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/dr-dennis-gross/clarifying-colloidal-sulfur-mask/for/acne-prone-skin
- United Kingdom: https://lovi.care/skincare/uk/p/dr-dennis-gross/clarifying-colloidal-sulfur-mask/for/acne-prone-skin (this page)
- Ireland: https://lovi.care/skincare/ie/p/dr-dennis-gross/clarifying-colloidal-sulfur-mask/for/acne-prone-skin
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