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De La Cruz 10% Sulfur Ointment for skin with dark spots

Caution

  • AverageNormal Skin Fit
  • AverageEffectiveness
  • ConcerningSafety

A poor match for skin with dark spots; the serums alongside fit it better.

This fit is calculated for the concerns frequently associated with dark spots: hyperpigmentation, sun spots, and uneven skin tone. 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 pigmentation on your normal skin due to sulfur's keratolytic action, though it lacks sufficient humectants or emollients for optimal hydration.
  • The presence of sulfur aids in skin renewal and helps reduce blemishes, providing moderate treatment for acne lesions.

How to apply

  • Apply this serum as part of your PM routine starting 3x/week and build up to daily use if your skin likes it.
  • Place the serum after cleansing and toning, but before your moisturizer.
  • Gently press 2-3 drops of the serum into your skin and wait a minute for it to absorb.
  • Apply the serum on dry skin to help fade pigmentation effectively.
  • Avoid the eye area and always use SPF 30+ during the day.

Questions and answers

Why does Lovi advise caution with De La Cruz 10% Sulfur Ointment for skin with dark spots?

Lovi advises caution because while sulfur helps renew skin and treat dark spots, the ointment lacks sufficient hydrating or soothing ingredients to keep normal skin soft and comfortable. Treatments that fit better for dark spots need a blend of effective antioxidants, calming ingredients, and good hydrators like niacinamide and propolis.

Which ingredients make this ointment a poor fit for skin with dark spots?

Sulfur and polyethylene glycol make this ointment a poor match because it lacks enough softening and moisturizing ingredients to keep your skin smooth while treating dark spots. A product of this type needs effective antioxidants, soothing ingredients like niacinamide and propolis, and hydrating components to treat dark spots safely on normal skin without irritation.

What does Sulfur do for skin with dark spots?

Sulfur is unlikely to help fade dark spots on its own, but certain sulfur compounds may improve skin pigmentation and dark patches. To effectively address dark spots, this skin type needs ingredients that target discoloration and even out skin tone.

The Journal of Investigative Dermatology, 1987

What does Polyethylene Glycol do for skin with dark spots?

Polyethylene Glycol helps keep skin smooth and soft by holding in moisture so other helpful ingredients can sink in better. It is unlikely to directly fade dark spots on its own, so a product for this skin needs proven brighteners like vitamin C or niacinamide alongside it.

Where does this ointment go in a skincare routine for skin with dark spots?

This ointment goes in the evening routine as a treatment step, used carefully since it lacks sufficient hydration for this skin type. A product of this type needs added hydrating ingredients and skin-softening oils to keep dark spot skin comfortable.

Can I use this ointment with benzoyl peroxide, and in what order?

It is best to avoid using this ointment at the same time as benzoyl peroxide because combining strong acne treatments may easily dry out and irritate your skin. If you do choose to use both, apply them on alternate days or separate them into different routines to keep your skin calm and comfortable.

How often should I use this ointment?

This ointment is a poor match for your skin with dark spots because it lacks the moisture and hydration needed while exfoliating. Products of this type need soothing and hydrating ingredients like extra humectants and emollients to keep your skin soft and smooth while treating dark spots.

Can this ointment clog pores, cause breakouts or purging for skin with dark spots?

This ointment is unlikely to clog pores since sulfur helps clear blemishes, but it may cause dryness or peeling on skin with dark spots because it lacks enough moisturizing ingredients. Products used on this skin need extra hydrators and softeners to keep it smooth and comfortable.

What the research says

Ingredients

Sulfur, Polyethylene Glycol

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.

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