🇪🇸Spain

Sunday Riley Saturn Sulfur Spot Treatment Mask for dry skin

Caution

  • CautionDry Skin Fit
  • HighEffectiveness
  • ConcerningSafety

A poor match for dry skin; the cleansing masks alongside fit it better.

This fit is calculated for the concerns frequently associated with dry skin: flakiness, tightness, dehydration, fine lines, and wrinkles. For scores and recommendations based on your full skin profile, including your 12D face scan results and any goals or preferences you have, please use the Lovi app.

Page built Nov 8, 2026How the Fit score works

Lovi Assistant explains

  • Offers moderate exfoliation for your dry skin due to sulfur, which can be drying and exacerbate flakiness, while Allantoin and Dipotassium Glycyrrhizate provide some soothing benefits.
  • The formulation includes alcohol denat, which can further dry out your skin, and lacks sufficient emollient and humectant ingredients to adequately counteract this effect.

How to apply

  • Use this cleansing mask PM as part of your weekly routine, starting 1x/week and increasing slowly if needed. Always follow with a rich moisturizer to prevent dryness.
  • Apply the cleansing mask after using your cleanser and enzyme powder, but before your hydrating toner and moisturizer. This ensures the mask works effectively on your dry skin.
  • Smooth an even layer of the cleansing mask over your face while avoiding any rubbing. Let it sit for the recommended time before gently rinsing it off.
  • Apply the cleansing mask to clean, dry skin for the best comfort. Since your skin is dry, this method helps prevent any potential irritation.
  • Avoid the sensitive eye area during application. Do a patch test before your first use to ensure your skin tolerates the product well.

People Say

★4.0Overall rating based on 400+ reviews

Users with oily and acne-prone skin frequently praise this spot treatment for its ability to quickly reduce the size and redness of breakouts, particularly cystic and hormonal ones, often overnight. A significant number of reviewers also note that the formula can cause dryness and peeling, and the strong, lingering sulfur scent is a common complaint.

Highlights

  • Rapidly clears acne Mostly Mentioned
    • “Shrinks the pimple”
    • “Heals cystic pimples”
    • “Zit zapper”
    • “Dry up overnight”
  • Unpleasant smell Mostly Mentioned
    • “Smells awful”
    • “Strong sulfur odor”
    • “Smell would drive you crazy”
    • “Hands smelled like sulfur”
  • Effective on cystic spots Often Mentioned
    • “Best for cystic acne”
    • “Helps hormonal breakouts”
    • “Flattened underground bumps”
    • “Works on stubborn cysts”
  • Drying and peeling Often Mentioned
    • “Too drying”
    • “Caused peeling”
    • “Dries me out”
    • “Flaky skin around spot”
  • Reduces redness Sometimes Noted
    • “Dialed down redness”
    • “Soothes the look of redness”
    • “Less red and inflamed”
    • “Calms angry skin”
  • Expensive price point Sometimes Noted
    • “Price is outrageous”
    • “Expensive for the size”
    • “Pricey”
  • Irritating to sensitive skin Sometimes Noted
    • “Irritated the skin”
    • “Stings upon application”
    • “Burned my skin”
    • “Too harsh”
  • Prevents new breakouts Rarely Noted
    • “Preventing new blemishes”
    • “Stops them from forming”
    • “Keeps skin clear”

Sources: lovi.care, sephora.com, dermstore.com, sundayriley.com, lovelyskin.com, cultbeauty.com, and more

Questions and answers

Why does Lovi advise caution with Sunday Riley Saturn Sulfur Spot Treatment Mask for dry skin?

You should use caution because this product offers moderate exfoliation with sulfur and alcohol denat, which can dry out your dry skin and make flakiness worse. Although it includes soothing ingredients, it lacks enough rich, softening ingredients and moisture-attracting components to counteract that drying effect. A cleansing mask for dry skin needs effective hydrating and soothing ingredients to provide relevant benefits without any risks of irritation or unsuitability.

Journal of Cosmetic Dermatology, 2026Acta Biomaterialia, 2022

Which ingredients make this mask a poor fit for dry skin?

Sulfur and alcohol denat make this mask a poor fit because they can dry out your dry skin and worsen flakiness, while lacking enough softening and moisture-attracting ingredients to balance the effect. A cleansing mask for dry skin needs rich moisturizing and soothing ingredients to keep the skin comfortable and hydrated.

Journal of Cosmetic Dermatology, 2026

What does Niacinamide do for dry skin?

Niacinamide helps dry skin by strengthening the skin barrier, increasing hydration, and reducing water loss. It supports ceramide production and helps keep the surface smooth and calm. This ingredient tends to be very well tolerated and is unlikely to irritate dry skin.

Journal of Cosmetic Dermatology, 2004Journal of Cosmetic Dermatology, 2026

Where does this mask go in a skincare routine for dry skin?

This cleansing mask is a poor match for dry skin because sulfur and alcohol denat may dry it out and worsen flakiness, so a product of this type needs plenty of moisturizing and soothing ingredients to keep the skin soft and comfortable.

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

You should use caution when combining this drying mask with retinol, as it may worsen flakiness and irritation on dry skin. To help prevent this, a product of this type needs rich moisturizers with ceramides and humectants to lock in hydration and protect your skin barrier.

How often should I use this mask?

This product is a poor match for dry skin because sulfur and alcohol denat can easily dry you out and make flakiness worse. To use it safely, dry skin needs plenty of rich moisturizing ingredients and soothing hydrators to protect the skin barrier.

Can this mask clog pores, cause breakouts or purging for dry skin?

This mask is unlikely to clog pores or cause breakouts on dry skin, but it may cause drying and peeling because it contains sulfur and alcohol denat. To work well for dry skin, this type of product needs extra moisture-locking ingredients and gentle hydrators to prevent flakiness.

Is this mask fragrance-free and alcohol-free?

It has no fragrance and contains drying alcohol (alcohol denat).

What the research says

  • A topical formulation containing panthenol, niacinamide, and dipotassium glycyrrhizate increased skin hydration by 74.1% and reduced transepidermal water loss by 13.5% at 28 days compared to baseline and untreated control in 35 individuals with xerosis.

    Journal of Cosmetic Dermatology, 2026
  • Dipotassium glycyrrhizinate-loaded hydroxypropyl chitosan and poly(N-isopropylacrylamide) hydrogels applied to wounds in a mouse full-thickness skin defect model resulted in rapid wound closure, efficient tissue remolding, collagen deposition, and decreased inflammation compared to commercial Tegaderm film and 3M dressing controls.

    Acta Biomaterialia, 2022
  • 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
  • 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
  • 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
  • Topical post-laser application of human adipocyte-derived mesenchymal stem cell media combined with niacinamide significantly improved wrinkle index, melanin index, patient satisfaction, and investigator esthetic improvement scores compared to vehicle cream in patients with aging skin.

    Journal of Cosmetic Dermatology, 2021
  • Topical nicotinamide prevented solar-simulated UV-induced immunosuppression in healthy volunteers, and men experienced immunosuppression at solar-simulated UV doses three times lower than those required for women.

    The Journal of Investigative Dermatology, 2008
  • Topical 5% niacinamide applied twice daily for 12 weeks reduced fine lines and wrinkles, hyperpigmented spots, red blotchiness, and skin sallowness, and improved skin elasticity compared to vehicle control in 50 female white subjects with facial photoaging.

    Dermatologic Surgery, 2005
  • Topical zinc treatment enhanced MMP-1 expression beneath the neoepidermis and metallothionein expression under the neoepidermis and in the wound bed in human epidermal wounds compared to placebo and control treatments.

    European Journal of Cell Biology, 2021
  • Topical preparations containing zinc(II) complexes with glycine and histidine effectively treat acne skin by providing high antibacterial activity against C. acnes and low cytotoxicity for skin cells, with no observed irritation or allergy in healthy volunteers.

    International Journal of Molecular Sciences, 2021
  • Topical copper and zinc formulations promote skin healing by exerting antimicrobial effects, modulating macrophage polarization, acting as enzyme cofactors, stimulating angiogenesis, and supporting re-epithelialization.

    Dermatology and Therapy, 2026
  • Topical lycopene-enriched virgin olive oil provides effective pain relief similar to a placebo in patients with burning mouth syndrome, showing a strong placebo effect.

    Journal of Oral Rehabilitation, 2014
  • Vectorization of high molecular weight hyaluronic acid with clay enabled its penetration into deeper skin layers and led to a significant clinical reduction in fine lines in the crow's feet area compared to placebo after 28 days.

    Skin Research and Technology, 2024
  • Quaternized carboxymethyl chitosan/organic montmorillonite nanocomposite demonstrated superior moisture-adsorption and retention compared to hyaluronic acid, good UV-protection ability, negligible dermal irritation, and prominent moisture-retention efficacy on human stratum corneum when formulated into a cosmetic cream.

    Carbohydrate Polymers, 2017
  • Twice-weekly use of a clay mask over 4 weeks in 75 adults with oily or combination skin improved acne-related outcomes, sebum content, skin evenness, hydration, and reduced dryness and irritation.

    Skin Research and Technology, 2023

Ingredients

Water, Sulfur, Isoamyl Laurate, Cetyl Ethylhexanoate, Niacinamide, Arabic Gum, Bentonite, Hydroxyethyl Acrylate Sodium Acryloyldimethyl Taurate Copolymer, Polyglyceryl-2 Caprate, Olive Glycereth-8 Esters Oil, Zinc Pca, Allantoin, Dipotassium Glycyrrhizate, Melaleuca Alternifolia Tree Oil Leaf, Leptospermum Scoparium Oil Leaf Manuka Honey Oil Leaf Branch Oil Leaf, Curcuma Longa Root Extract, Corallina Officinalis Extract, Melia Azadirachta Leaf Extract, Amber Powder, Melia Azadirachta Flower Extract, Coccinia Indica Fruit Extract, Solanum Melongena Leaf Extract, Ocimum Basilicum Leaf Extract Flower, Quartz, Polysorbate 60, Sorbitan Isostearate, Tocopherol, Disodium Edta, Phenoxyethanol, Polysorbate 20, Alcohol Denat, Chlorphenesin, Peg-40 Hydrogenated Castor Oil, Caprylyl Glycol, 4-Terpineol

Behind this fit score

Lovi calculates every fit score from the full ingredient list with brand-independent rules our 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.

How does it fit your skin?

Scan your face, then any product: Lovi shows how well it fits you and what fits even better.