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Verdict: The Ordinary Retinol 0.5% in Squalane ($6) is a 72% match dupe for KATE SOMERVILLE RetAsphere™ Micro Peel ($90). Full price and ingredient comparison below.

By the BeautyFlow Research Team · Updated July 2026

The Original

✨
KATE SOMERVILLE

RetAsphere™ Micro Peel

$90

The Dupe

Retinol 0.5% in Squalane
The OrdinaryThe Ordinary

Retinol 0.5% in Squalane

$6
72% match
·curated verified
Shop the Dupe· $6Shop Original· $90
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Curated by BeautyFlow editors

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Ingredient Comparison

KATE SOMERVILLE· $90

Ingredient data coming soon

The OrdinaryThe Ordinary· $6
retinolsqualaneminimalist

Frequently Asked Questions

Is The Ordinary Retinol 0.5% in Squalane a good dupe for KATE SOMERVILLE RetAsphere™ Micro Peel?

Yes — The Ordinary Retinol 0.5% in Squalane is a 72% match for KATE SOMERVILLE RetAsphere™ Micro Peel based on ingredient and formula comparison.

How much cheaper is The Ordinary Retinol 0.5% in Squalane than KATE SOMERVILLE RetAsphere™ Micro Peel?

The Ordinary Retinol 0.5% in Squalane costs $6 versus $90 for KATE SOMERVILLE RetAsphere™ Micro Peel — a saving of $84.

What is the difference between KATE SOMERVILLE RetAsphere™ Micro Peel and The Ordinary Retinol 0.5% in Squalane?

The main difference is price — KATE SOMERVILLE RetAsphere™ Micro Peel costs $84 more. Formulas are closely matched in our comparison, though packaging and shade ranges may differ. See the full ingredient table on this page for the exact overlap.

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