Is The Inkey List 15% Vitamin C + EGF Serum Best for AM or PM?

Routine Science
You’ve been slathering vitamin C on morning skin, but does an EGF booster change the rulebook?
Expert Analysis · Honest Reviews · Real Results
1.☀️AM or PM? Let’s Settle This

I’ve been slathering vitamin C on my face every morning for years. Then The Inkey List drops this 15% Vitamin C + EGF Serum and suddenly I’m second-guessing my entire routine.

EGF changes the game — but not how you think. It makes this serum better at night, but you’ll want it in the AM for the glow. The real question is: can your skin handle both?

2.🌙What’s in the Tube?

It’s $12.99 for 1 oz. The claim: brighten skin while speeding up repair. I bought it because I’m cheap and curious about EGF.

1

15% Pure Vitamin C (L-Ascorbic Acid)

Classic brightener — fades dark spots, fights free radicals.

2

EGF (Epidermal Growth Factor)

Signals skin to heal faster. Like a tiny repair crew.

3

Hyaluronic Acid

Keeps it from drying you out while the C works.

white and clear glass container on brown wooden table

Photo: Poko Skincare / Unsplash

3.🧪The Ingredient Lowdown

L-Ascorbic Acid is the gold standard for vitamin C — but it’s unstable and stings if you’re not careful. EGF is a peptide that tells your cells to get their act together and repair damage faster.

  • L-Ascorbic Acid (15%): Strongest C form — brightens but can irritate
  • EGF: Speeds wound healing and collagen production — best at night
  • Hyaluronic Acid: Holds 1000x its weight in water — prevents the C from drying you out
  • Ferulic Acid: Stabilizes the C and boosts its effectiveness — smart add
a bottle of eye gel sitting on top of a green carpet

Photo: Viktoriia Muzyka / Unsplash

4.Texture & Reality Check

Watery, almost like a toner. Absorbs in 15 seconds — no sticky residue. First application: mild tingle, no burn.

Week 2: I tried it AM and PM. Morning use gave me a glow by noon. Night use made a small scratch on my hand heal visibly faster. Unexpected: the EGF makes your skin feel… thicker. Not in a bad way — just more resilient.

💡

One Thing: Use it at night if you have active breakouts or irritation. The EGF works better when skin is repairing — and you avoid the C oxidizing under sunscreen.
stainless steel spoon on white surface

Photo: Jocelyn Morales / Unsplash

5.Did It Actually Work?

Dark spots around my mouth faded about 30% in 3 weeks. Fine lines stayed the same. Unexpected bonus: a pimple scab healed in 2 days instead of 4.

Buy if
You have dull skin + small scars you want to fade faster
⏭️

Skip if
Your skin hates L-Ascorbic Acid — this will sting
💰

Worth it?
$13 for a dual-action serum? Yes. But don’t expect Botox.
woman in white tank top

Photo: Fleur Kaan / Unsplash

6.📅Final Call

Use it at night if you want healing. Use it in the AM if you want glow. Don’t do both — your face will rebel.

8.2/10
Smart buy for repair & glow
🛍️

Where to Buy: Sephora or Ulta — grab the travel size first if you’re new to vitamin C