Verdict: Flower Beauty Light Illusion Primer ($7) is a 71% match dupe for Tatcha Luminous Dewy Skin Primer SPF 30 ($68) — 90% cheaper for a comparable formula. The two formulas share 2 of 8 key ingredients, including dimethicone and glycerin. Full price and ingredient comparison below.
By the BeautyFlow Research Team · Updated July 2026
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Luminous Dewy Skin Primer SPF 30
$68The Dupe
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Light Illusion Primer
$7Discovered by the beauty community
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Ingredient Comparison
2 shared ingredients
Frequently Asked Questions
Is Flower Beauty Light Illusion Primer a good dupe for Tatcha Luminous Dewy Skin Primer SPF 30?
Yes — Flower Beauty Light Illusion Primer is a 71% match for Tatcha Luminous Dewy Skin Primer SPF 30 based on ingredient and formula comparison, at 90% less ($7 vs $68). The two formulas share 2 of 8 key ingredients, including dimethicone and glycerin.
How much cheaper is Flower Beauty Light Illusion Primer than Tatcha Luminous Dewy Skin Primer SPF 30?
Flower Beauty Light Illusion Primer costs $7 versus $68 for Tatcha Luminous Dewy Skin Primer SPF 30 — a saving of $61 (90% less).
What is the difference between Tatcha Luminous Dewy Skin Primer SPF 30 and Flower Beauty Light Illusion Primer?
The main difference is price — Tatcha Luminous Dewy Skin Primer SPF 30 costs $61 more. The two formulas share 2 of 8 key ingredients, including dimethicone and glycerin. See the full ingredient table on this page for the exact overlap.
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