Is Olaplex No. 3 Reformulation Better or Worse?

Reformulation Alert
Your favorite bond-builder just changed its formula — here’s what’s actually different (and if your hair will notice).
Expert Analysis · Honest Reviews · Real Results
1.🔥Wait, They Changed It?

You heard right — Olaplex tweaked the No. 3 formula. Same purple bottle, different juice. I’ve been using it for three years, so I noticed the second it touched my hair.

The old version felt thicker, almost like a hair mask. The new one? It’s runnier — think thin conditioner. That’s not a bad thing, but it changes how you use it.

2.🧴What You’re Actually Buying

Still $30 for 100ml. Still the “take-home bond builder” your stylist pushes after every bleach session. The claim: repair broken disulfide bonds in 10 minutes.

1

New pH balance

Slightly more acidic now — that’s why it feels lighter.

2

Watered-down texture

Pours faster, spreads easier, but you need less product to cover your lengths.

3

Faster absorption

Sinks in within 5 minutes vs. 10 before. My fine-haired friends will love this.

woman standing next to pink wall while scratching her head

Photo: averie woodard / Unsplash

3.🔬Inside The Bottle

They kept the patented bis-aminopropyl diglycol dimaleate — that’s the bond-repairing hero. But they swapped some silicones for lighter emollients. The result: fewer “heavy” feelings, same reconstruction power.

  • Bis-aminopropyl diglycol dimaleate: Rebuilds broken bonds deep in the cortex
  • Water (Aqua/Eau): First ingredient, still — it’s a rinse-off treatment
  • Cetearyl alcohol: Gives slip without greasiness
  • Hydrolyzed vegetable protein: Adds a temporary smoothing effect
woman near wall

Photo: Tim Mossholder / Unsplash

4.✍️My Honest First Week

It feels like water going on. I panicked. But after rinsing, my hair had that same squeaky-clean-but-not-stripped feeling. No tangles. Shine was immediate.

By week three, my bleach-damaged ends looked less frayed. Not a miracle — but the new version does the job without weighing down my roots. My one gripe: the thin texture makes it easy to over-apply and waste product.

💡

One Thing: Apply to *damp* hair, not soaking wet. Wring out excess water first — the thinner formula dilutes too fast and you’ll use double.
a woman holding a hair brush in her hand

Photo: TYMO Beauty / Unsplash

5.📊Did It Actually Work?

My split ends didn’t vanish, but new breakage stopped. Color stayed vibrant for an extra week. The reformulation is gentler on fine hair — less buildup, same strength.

Buy if
You have fine or medium hair that gets weighed down by heavy masks.
⏭️

Skip if
You have thick, coarse, or extremely porous hair — the old version felt more substantial for a reason.
💰

Worth it?
Yes, but only if you bleach or heat-style regularly. Virgin hair won’t notice a difference.
a woman getting her hair cut by a hair stylist

Photo: Lindsay Cash / Unsplash

6.🎯Final Call

The reformulation isn’t better or worse — it’s just smarter for more hair types. If you loved the heavy feel, you’ll be disappointed. If you have fine hair, this is your upgrade.

7.8/10
Lighter, faster, still repairs bonds
🛍️

Where to Buy: Sephora or Ulta — grab the 50ml travel size first to test your hair’s reaction before committing to the big bottle.