Verdict: The Ordinary Retinol 0.5% in Squalane ($6) is a 77% match dupe for SUNDAY RILEY Luna Retinol Sleeping Night Oil ($105). Full price and ingredient comparison below.
By the BeautyFlow Research Team · Updated July 2026
The Original
Luna Retinol Sleeping Night Oil
$105The Dupe
Retinol 0.5% in Squalane
$6Curated by BeautyFlow editors
Know who found this first?
Ingredient Comparison
Ingredient data coming soon
Frequently Asked Questions
Is The Ordinary Retinol 0.5% in Squalane a good dupe for SUNDAY RILEY Luna Retinol Sleeping Night Oil?
Yes — The Ordinary Retinol 0.5% in Squalane is a 77% match for SUNDAY RILEY Luna Retinol Sleeping Night Oil based on ingredient and formula comparison.
How much cheaper is The Ordinary Retinol 0.5% in Squalane than SUNDAY RILEY Luna Retinol Sleeping Night Oil?
The Ordinary Retinol 0.5% in Squalane costs $6 versus $105 for SUNDAY RILEY Luna Retinol Sleeping Night Oil — a saving of $99.
What is the difference between SUNDAY RILEY Luna Retinol Sleeping Night Oil and The Ordinary Retinol 0.5% in Squalane?
The main difference is price — SUNDAY RILEY Luna Retinol Sleeping Night Oil costs $99 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.
Get Alerts for New SUNDAY RILEY Dupes
Be first to know when we verify a cheaper match for Luna Retinol Sleeping Night Oil — plus weekly top dupe finds
Community Photos
Community Discussion
Build Your Complete Routine
Get personalized product recommendations with dupes for every step — tailored to your skin type, concerns, and budget.
Get My Routine