Is Peach & Lily Glass Skin Refining Serum Better After Reformulation?

Reformulation Alert
Peach & Lily swapped its star peptide for a new ferment blend—here’s how it performs on real skin after 4 weeks.
Expert Analysis · Honest Reviews · Real Results
1.🔬The Ferment Flip

They swapped the star peptide for a ferment blend. I almost didn’t buy it — but my dehydrated cheeks said otherwise.

The old version was a peptide pump-up. The new one is a microbiome reset disguised as a serum. That’s a big difference.

2.🧴What You’re Actually Buying

It’s $39 for 1.7 oz. The claim is “glass skin” in 4 weeks — which is a big promise for a serum that feels like water.

1

Sacred Lotus

Soothing, but not the star of the show

2

Peptide Complex

Still there, just not the main event anymore

3

Niacinamide 2%

The real workhorse — pores look smaller by week 2

a bottle of eye gel sitting on top of a green carpet

Photo: Viktoriia Muzyka / Unsplash

3.🌿The Ingredients That Matter

The new ferment blend (lactobacillus + yeast) is the whole point. It feeds your skin’s good bacteria. The old version never did that.

  • Lactobacillus Ferment: Balances skin’s microbiome
  • Niacinamide: Controls oil and tightens pores
  • Sodium Hyaluronate: Plumps without sticky film
  • Peptide Complex: Keeps collagen production humming
A woman smiles while she holds her hand to her face

Photo: Look Studio / Unsplash

4.🫧Texture & 4-Week Reality

It’s a watery gel that sinks in 10 seconds. No tackiness. No film. You’ll forget you put it on — which is either good or bad depending on your skin trauma.

Week 2: My T-zone stopped oiling up by 4pm. Week 3: Texture got bumpy for 3 days (purging?). Week 4: Smoothed out. My makeup sits better. But it didn’t do anything for my fine lines — the old formula was better for that.

💡

One Thing: Apply on damp skin right after cleansing — it spreads thinner and absorbs 2x faster. Don’t wait for it to dry.
landscape photography of mountains

Photo: simon / Unsplash

5.⚖️The Honest Verdict

Pores look smaller. Skin looks calmer. But the glow isn’t “glass” — it’s more like “good sleep.” That’s a win, but not a miracle.

Buy if
You have combo/oily skin and want to control midday shine without drying out
⏭️

Skip if
You’re chasing anti-aging or had great results with the old peptide-heavy formula
💰

Worth it?
Yes, for $39. You get what you pay for — it’s a solid daily serum, not a luxury splurge
assorted make-up brushes closed up photography

Photo: Rosa Rafael / Unsplash

6.📝Final Call

The reformulation made it better for barrier health, worse for firming. If your skin is stressed and oily, this is your fix. If you wanted the old glow, look elsewhere.

7.8/10
Better barrier, weaker firming — a fair trade
🛍️

Where to Buy: Get it at Ulta — and buy the mini first if you’re a first-timer. It’s $16 and lasts a month.