Dark spots are one of those skin things almost everyone deals with eventually. The red-brown marks left behind after a breakout clears. Sun spots that show up on your cheeks or hands in your thirties. Patches of uneven tone that makeup never quite covers.

The good news: most dark spots respond well to a consistent routine. You don't need a ten-step regimen or the strongest formula on the shelf — just the right handful of products, used in the right order, for long enough.

What actually causes dark spots

Dark spots are just excess melanin — the pigment that gives skin its color. When skin is injured or irritated — a pimple, a scratch, too much sun — it can produce extra melanin there as part of healing. That's why a zit can leave a mark that outlasts the zit itself by months.

The common types:

• Post-acne marks — the flat red or brown spots left after breakouts heal. These are the most common and usually the easiest to fade.
• Sun spots (age spots) — flat brown spots from years of UV exposure, usually on the face, hands, and shoulders.
• Melasma — larger patches, often on the cheeks or forehead, tied to hormones and sun. Stubborn — worth discussing with a professional if it bothers you.

All three share one thing: sun makes them worse. UV exposure darkens existing spots and creates new ones. Any fading routine that skips sunscreen is working against itself.

Why vitamin C helps

Vitamin C is an antioxidant, which means it helps defend skin against the environmental stress that contributes to uneven tone. In skincare, it's mostly valued for one thing: it can help brighten the look of skin and reduce the appearance of dark spots over time.

It won't erase a spot overnight — it works gradually — but it's one of the most studied brightening ingredients, and most skin types tolerate it well. Think of it as the steady, daily part of the routine: it brightens while your nighttime treatment does the heavier lifting.

Practical note: vitamin C serums can oxidize (turn yellowish-brown) once opened, which means they've lost strength — store yours somewhere cool and dark. And if your skin is sensitive, start with a lower concentration a few times a week and build up.

The morning routine, in order

For dark spots, the morning lineup is simple (thinnest to thickest):

1. Cleanse. A gentle cleanser, lukewarm water. Nothing stripping.
2. Vitamin C serum. Apply to dry skin, a few drops for the whole face. Give it 30–60 seconds to absorb.
3. Moisturizer. Locks everything in and keeps your barrier happy.
4. Sunscreen, SPF 30 or higher. This is the non-negotiable step. Vitamin C and sunscreen pair well — the antioxidant plus UV protection covers skin better than either alone, and sunscreen stops new spots from forming while old ones fade.

Our simple skincare routine guide covers the full reasoning behind this order.

What to do at night

Mornings are for protection; nights are for treatment — the products that actively work on existing spots.

After cleansing, apply a targeted dark-spot treatment, then moisturize. One worth knowing about is the Lion Pose UNSPOTTED 4X Acid Jelly Night Serum ($79). It's a nighttime serum built around a 15% blend of four acids — azelaic, tranexamic, glycolic, and lactic — plus the antioxidant glutathione, formulated to visibly brighten dark spots and smooth uneven texture. You apply 1–2 pumps to a clean, dry face in the evening, let it absorb, then moisturize. (And yes — the daytime sunscreen rule still applies, especially when you're using acids at night.)

Keep brightening in the morning and exfoliating or treatment steps at night — they complement each other.

How long before you see results

The part nobody likes hearing: dark spots fade slowly. Skin replaces itself roughly every 28 days (longer as you get older), so give any routine at least 4 to 8 weeks before judging it, and expect the full picture around 8 to 12 weeks.

Post-acne marks fade fastest; sun spots take longer. If a spot is changing shape, darkening, or looks unusual, skip the skincare aisle and get it checked.

The biggest mistake isn't choosing the wrong product — it's quitting at week three, switching to something stronger, irritating your skin, and starting over. Consistency beats intensity with dark spots.

What not to mix

More actives is not better. A few combinations to be careful with:

• Don't layer strong acids and vitamin C in the same routine. Use vitamin C in the morning, acids at night.
• Don't start three new actives at once. Add one, use it two weeks, then add the next — if something irritates your skin, you'll know what it was.
• Don't skip moisturizer when using treatments. A compromised barrier gets irritated, and irritation can create new dark spots — the exact opposite of the goal.
• Patch test. Inner forearm or behind the ear, 24 hours, before putting anything new on your whole face.

If skin stings, burns, or turns red and flaky, back off — irritated skin doesn't fade spots faster.

FAQ

Can vitamin C fade acne scars?

It can help fade the flat dark marks left after acne heals (post-inflammatory hyperpigmentation). It won't do much for raised or pitted scars, which are texture issues rather than pigment issues.

Should I use vitamin C in the morning or at night?

Morning is the standard recommendation — it pairs well with sunscreen, keeping nights free for treatments like acids or retinoids.

Why aren't my dark spots fading?

The usual suspects: not enough time (give it 8+ weeks), no sunscreen (sun keeps re-darkening them), or too many actives causing low-grade irritation. Simplify, protect, be patient.

Is it safe to use vitamin C every day?

For most people, yes, once skin is used to it. Start a few times a week; if there's no irritation, move to daily. If you have very sensitive skin, every other day is completely fine.