Niacinamide
A form of vitamin B3. It helps with uneven tone, oiliness and a weak barrier. Usually well tolerated by sensitive skin; at high strengths (10% and up) a few people notice flushing.
Petal reads the ingredient list of anything you scan and checks it against your skin, your hair and what you avoid. Then it builds a routine from products that actually suit you.
5 free scans. No ads.
No brand pays to be ranked.


Scan the barcode, snap the pack or search
Every result is a match for you, not a score out of 100. The fragrance your friend loves can be the reason your cheeks go red, so Petal tells you which of your preferences a product meets, and why.
One moisturiser, checked for dry, sensitive skin. Lab tests and brand claims are shown separately and never change your match. Tap the bookmark to put it on a shelf: Wishlist, Owned, Liked, Don’t like or one you name.
Answer a few questions and Petal builds your morning and evening from products that match you, within your budget. The same cleanser and moisturiser do both, so you buy four things, not six.

Log it in under a minute: where, what you notice and how bad it is. Petal lines it up with the products you started or stopped in the two weeks before, so the months between dermatologist visits aren’t a blur.


Tap any ingredient to see what it does, where it sits on the label, and how it tends to go with your skin. One more tap adds it to your avoid list.
Niacinamide
A form of vitamin B3. It helps with uneven tone, oiliness and a weak barrier. Usually well tolerated by sensitive skin; at high strengths (10% and up) a few people notice flushing.

Something else? Write to hello@petalroutine.com.
No. Petal explains ingredients and matches them to what you tell it about your skin and hair. It isn’t a diagnosis. For reactions that last or spread, see a dermatologist, and patch test new products.
From products that match your profile and avoid list, one per step: a cleanser that suits your skin type, a treatment with an active for your main goal, a moisturiser for dry or oily skin and an SPF of 30 or more. You can swap, reorder or remove anything.
From each product’s ingredient list, partly from Open Beauty Facts and members adding lists, combined with an ingredient reference. Finished-product testing and brand claims are shown separately and don’t affect your match.
No. There are no ads and no paid placements, and no brand pays to be ranked or recommended.
It’s used only to check products for you. Your skin and health details are never sold, shared with brands or used for ads. Flare-up photos stay on your phone. You can delete your account at any time in the app.
Your first 5 scans are free. Petal Plus unlocks unlimited scans, your full morning and evening routine, your match on every product, every ingredient explained, alternatives ranked for you, “Like this, but…”, reviews, and unlimited compare and saves. It’s yearly with a free trial, or monthly.