When a 'better' sunscreen feels worse: the trade-offs behind reformulation
On r/AsianBeauty, someone who loved an A'Pieu SPF for its thin, cooling, cast-free feel bought it again and found what felt like a different product: thicker and with an obvious white cast. The brand's own listing called the change an upgrade, from light to 'medium' texture and from no cast to 'minimal' cast.
What the replies said
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The top reply: that isn't a reformulation, it's a new product.
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Others pointed to what actually improved: SPF went from 45 to 50 and the UVA grade from PA+++ to PA++++, which they considered the more meaningful change.
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Several explained the trade-off: adding physical (mineral) filters can raise protection but thickens the texture and adds cast.
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One reply suggested stability or regulations can force changes, for example a formula that separated in the bottle.
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Another noted that in Korea some shoppers don't mind, or even like, a slight white finish, so 'cast' isn't judged the same everywhere.
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A popular wish: sell both versions and let people choose.
Desk note Reformulations often move several dials at once: filters, texture, preservation and cost. Before assuming your favourite is unchanged, compare the new INCI list and the SPF and PA claims on the pack.
Have you lost a favourite to a reformulation? Did you switch or adapt?
Original thread: r/AsianBeauty — reformulating is ANNOYING
For scale on that PA jump: under the Japan Cosmetic Industry Association standard, PA+++ means a measured UVAPF of 8 up to under 16, and PA++++ means 16 or more. So the change is a genuine step up in UVA protection, not just a relabel. Texture still matters, though: a sunscreen that's unpleasant to apply tends to go on too thin to reach its label. JCIA SPF and PA standards