AM vs PM: Why Your Retinol Belongs in Your Night Routine

Routine Science
This cult-favorite retinol is a PM powerhouse, but using it in the morning is a major skincare mistake.
Expert Analysis · Honest Reviews · Real Results
1.🌙Retinol is a Vampire

Sunlight literally deactivates it. Using this in the AM is like paying for a gym membership and then napping on the bench.

The real crime? It makes your skin more vulnerable to UV damage — you’re undoing the repair work and inviting new damage. A total backfire.

2.🧪The No-Frills Workhorse

It’s The Ordinary‘s Retinol 0.5% in Squalane. Under $10. I tried it because the internet swore it was potent without the prestige price tag.

1

Mid-Strength

0.5% is the sweet spot — strong enough to work, gentle enough to not ruin your week.

2

Oil-Based

Comes suspended in squalane, which means it’s not for everyone (more on that later).

3

No Nonsense

The packaging is so clinical it looks like something from a lab supply closet.

a bottle of water

Photo: Lora Seis / Unsplash

3.⚠️What’s Actually In It

It’s a short list. Retinol is the star — it tells your skin cells to turn over faster. Squalane is the vehicle — a moisturizing oil that mimics your skin’s own.

  • Retinol: Speeds up cell renewal, tackles texture and fine lines
  • Squalane: Hydrating carrier oil, won’t clog pores
  • Coconut Alkanes: A lightweight solvent
  • Hydrogenated Polyisobutene: Helps with slip and spreadability
A man's back with water drops on it

Photo: Ilia / Unsplash

4.☀️The Feel of It

It’s a clear, light oil. Absorbs in about 90 seconds — leaves a faintly slick, not greasy, finish. Smells like… nothing. Just faintly chemical.

Week 2, my chin purged. Tiny, under-the-skin bumps said hello and then left. Annoying but a sign it was actually working.

💡

One Thing: Apply it to *completely* dry skin. Damp skin drives it deeper and increases irritation. Wait 5 minutes after cleansing.
5.The Morning-After Glow

After a month, my skin texture felt like satin. Real talk: no miracle on deep lines. But my foundation went on smoother — that’s a win.

Buy if
You have oily or resilient skin and want to tackle texture on a budget.
⏭️

Skip if
You hate the feel of any oil, or your skin is super sensitive/reactive.
💰

Worth it?
Absurdly. The price makes the commitment easy.
6.📅PM or Bust

This is a nightshift worker. Respect its process, and it delivers serious refinement for pennies. A brilliant, boringly effective starter retinol.

8.5/10
Punchy results for pocket change.
🛍️

Where to Buy: Direct from The Ordinary or Sephora. Start with this 0.5% — don’t jump to the 1%.