Skin-Care Ingredients That Should Not Mix | Expert Tips

Skin-Care Ingredients That Should Not Mix | Expert Tips

Instead, Robinson and Chan advocate relegating benzoyl peroxide to your morning routine and retinol to your nighttime one. Neutrogena’s Stubborn Acne + Marks line makes this straightforward to recollect. 

Benzoyl peroxide (or BPO, as Robinson calls it) pairs effectively with a prescription-grade ingredient referred to as topical clindamycin, which “works synergistically with BPO to combat acne-causing bacteria,” Robinson says. Retinol, then again, is healthier suited with hydrating glycerin, hyaluronic acid, and niacinamide-based formulation, she provides. 

5. Retinol & AHAs

Another recipe for main irritation is retinol blended with alpha hydroxy acids, like glycolic, lactic, and citric. “Both of these ingredients disrupt the skin barrier,” Chan explains. If you double crew your complexion with them, extreme dryness, redness, sensitivity, or a rash are very doable outcomes. 

Instead, alternate the times you throw them on. One or two occasions every week, Chan reaches for an AHA with a ten to twenty % focus. On the opposite days — and if her pores and skin is not performing up —  retinol is put into motion. 

Rosen Skincare Paloma AHA/BHA Serum

6. Retinol & Salicylic Acid 

Another acid and retinol marriage that ought to be prevented contains that of the beta hydroxy acids (BHA) selection. Salicylic acid, specifically, is means too drying and aggravating to your pores and skin to resist, Shirazi says. 

Shirazi additionally suggests niacinamide as a substitution for each salicylic acid and retinol as a result of it has anti-inflammatory properties to assist calm pores and skin. With salicylic acid, niacinamide successfully banishes breakouts by regulating oil manufacturing, decreasing clogged pores, and exfoliating the pores and skin, she says. 

The Ordinary Niacinamide 10% + Zinc 1% on white background

The Ordinary Niacinamide 10% + Zinc 1%

Collagen peptides, which improve pores and skin elasticity and firmness, are one other good choice instead of salicylic acid as retinol enhances their penetration. “Combining these ingredients doesn’t lead to irritation or over-exfoliation, keeping the skin barrier healthy,” Shirazi explains. 

The Inkey List Collagen Booster

7. Dapsone aka Aczone & Benzoyl Peroxide

You understand how they are saying for those who eat too many carrots, you will begin wanting like one? Well, smoothing on topical dapsone and benzoyl peroxide concurrently may cause your pores and skin to have the identical form of orange discoloration with out consuming a single carrot, in response to Chan. Stick to solely one of many acne-treating components at a time to take care of to your true colours. Also, bear in mind salicylic acid and benzoyl peroxide are all the time a viable pairing. 

8. Benzoyl Peroxide & Hydroquinone 

One of the essential suggestions dermatologists share with their sufferers they prescribe hydroquinone to is keep away from merging it with benzoyl peroxide in your skin-care routine. Together, they’ll do the precise reverse of what you need them to do and find yourself briefly staining your pores and skin. 

9. Hydroquinone & AHAs

Like retinol, each hydroquinone and AHAs may cause irritation on their very own, Chan says. You may as effectively skirt the problem as a lot as you may by separating them amongst your morning and nighttime routines or looking for out a hydroquinone alternative, like tranexamic acid, licorice extract, or vitamin C. We’re loving the Eadem Milk Marvel Dark Spot Serum instead. 

A milky white bottle of Eadem Milk Marvel Dark Spot Serum and red box on white background

Eadem Milk Marvel Dark Spot Serum

Overall, Chan advocates for utilizing any doubtlessly irritating ingredient by itself for no less than just a few weeks. “If a certain ingredient leads to skin irritation on its own, you should definitely not use it with other potentially irritating ingredients,” she explains. “Even a ubiquitous ingredient like niacinamide can potentially irritate skin.” 

Also, giving your pores and skin breaks from actives is extremely necessary, Chan provides. If you are noticing irritation or dryness, be sure you search recommendation from a board-certified dermatologist and check out a delicate cleanser and thick moisturizer within the meantime. 

Read extra concerning the science of skincare: 

Now, watch a sanitation employee’s full magnificence routine: 

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