

A breakout lasts about a week. The brown mark it leaves behind can last six months or more, and picking at the spot or skipping sunscreen while it heals can add months to that.
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What each one does, how it works and how to use it.

Azelaic acid treats breakouts, redness and the dark marks left behind at the same time, and is gentle enough to use in pregnancy. Here is how it works and how to use it.
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Niacinamide calms redness, strengthens the barrier, evens pigment and regulates oil, all without irritation. Here is why four to five percent is the number and how it fits with everything else.
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Tranexamic acid quiets the signal that tells your skin to make pigment, and it calms the blood vessels that keep melasma coming back. Here is why it works when other brighteners do not.
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Arbutin slows the enzyme your skin uses to make pigment, so dark marks fade as your skin turns over. Here is what it does, who it suits, how to read the label, and how long to give it.
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Kojic acid blocks the pigment enzyme by taking away the copper it needs, which makes it a strong partner for arbutin. Here is how to use it and why one percent is the number.
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Vitamin C intercepts the daily damage from sun and pollution, fades dark patches and is required for your skin to build collagen. Here is how it works and which form suits your skin.
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Mandelic acid exfoliates, slows pigment production and reduces acne bacteria all at once, which makes it the acid for post-breakout marks and deeper skin tones.
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Glycolic acid is the smallest exfoliating acid, so it reaches deepest and does the most for texture, tone and fine lines. Here is how to use it without overdoing it.
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Retinoids build collagen, clear pores and fade pigment, with decades of research behind them. Here is how to read the labels and how to start without giving up in week three.
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Zinc oxide is the only single sunscreen filter that covers the whole ultraviolet range, and it calms skin while it does. Here is how it works and how to wear it without a white cast.
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Multi-tasking mineral SPF that protects, hydrates and improves skin tone.

Advanced brightening serum tackling stubborn discoloration with dual biotechnologies.

Hydroquinone-free serum that reduces hyperpigmentation and brightens uneven skin tone.

Advanced retinoid serum that smooths texture, targets acne and discoloration.

Most advanced Vivant retinoid for acne, discoloration, and resistant skin.

Clinical mandelic acid plus the FF3 peptide and DMAE system for brightening, firming, and lifting.

GFP Complex with Retinyl Propionate, brightening peptides, and lactic acid for photo-aged, textured skin.

Brightening serum that helps fade dark spots and acne marks.

Vitamin A and antioxidant oil capsules for dry, depleted, and environmentally stressed skin.

For acne, acne marks, pigmentation, reactive skin and uneven texture.

Mandelic acid scrub that unclogs pores, fades excess pigment and smooths rough skin, especially for non-inflamed acne.

Mandelic acid cleanser that exfoliates, fades excess pigment and helps clear inflamed acne.

Helps clear inflamed and non-inflamed acne, and works on pigmentation and texture.

Targets pigmentation, melasma, and uneven skin tone while supporting healthy-looking skin.

High-potency serum with PTT-6 plus pigment-fading actives to reduce dark spots and even skin tone.

A gentle mandelic acid serum that brightens tone and smooths skin texture.

Gentle vitamin C serum for reactive skin that helps dullness, uneven tone, redness, and aging.

8% mandelic acid serum that resurfaces, brightens, and clears sensitive and acne-prone skin.

Sensitive-skin-friendly serum for texture, acne, and signs of aging.

True Tone 2.0 and Rejuv Rx paired in Vivant's Post-Inflammatory Erythema Protocol for visible reduction in redness, PIE, and uneven tone in as little as 14 days.

Retinal plus a 5-acid blend in leave-on pads that resurface, brighten, and clear congestion.

Retinaldehyde serum that smooths lines and improves texture, especially if you are new to retinoids.

Retinol and peptide blend that firms, brightens, and smooths skin, for those already used to a retinoid.

Supports collagen, boosts firmness, and helps reduce discoloration for smoother, more even-toned skin.
Blackheads and Whiteheads: What Clogs a Pore and How to Clear It
Blackheads and whiteheads are clogged pores that have not turned red or sore. Here is what forms the plug, why many nose blackheads are something else, and how to clear them.
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Dark Circles: What Causes Them and What Skincare Can Change
Dark circles come from extra pigment, blood vessels showing through thin skin, or shadow from a hollow under the eye. Here is how to tell which you have and what skincare can change.
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Glycation: How Sugar Stiffens Skin and What Can Slow It
Glycation is sugar bonding to the collagen in your skin, leaving it stiffer and more yellow over the years. Here is how it happens, what speeds it up and what can slow it down.
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