Reverse Longitude PM Serum-Shot (Retinal)

Frequently asked questions

A: The ingredients we use (and why we use them) can be found here: Ingredients we use. A full list of ingredients is also on the outer packaging of all Ao products. The list can also be seen on each product page.
A: No. Ao products contain no parabens, sulfates, PEGS, TEA, DEA, mineral oils, EDTA or fragrance. A full list of all ingredients we use (and why) is here: Ingredients we use.
A: Ao uses mineral (zinc oxide) blocks that reflect UV rays for immediate, stable protection – unlike chemicals that absorb rays, convert to heat, and can irritate skin or harm reefs. Our non-nano zinc is reef-safe, non-comedogenic, and EWG Verified® for clean, non-toxic suncare.
Yes! Our mineral formula avoids harmful chemicals like oxybenzone, banned in Hawaii, Florida and parts of Australia. It's certified reef-safe, with sustainable and recyclable packaging.
A: Our Reverse Longitude PM Serum is the star for repair, with independent clinical trials showing 100% improvement in firmness and reduced hyperpigmentation from UV exposure. It uses boosted retinal and bakuchiol to stimulate collagen overnight, complemented by our SPF30's astaxanthin (6000x stronger than Vitamin C) for daytime oxidative defense – plus Mānuka honey and Harakeke oil for soothing tissue repair.
A: Our dermatologist-curated sets combine our hero sunscreen with cleansers for prep/removal, serums for boost/repair, and treatments for hydration. Start with Essential Sun Shield for basics or go Intensive for deep recovery—all discounted 20%+.
A: Yes, certified by Leaping Bunny and PETA, never tested on animals. It's vegetarian (with Mānuka honey for antimicrobial benefits) but not vegan.
A: We offer a 30-day money-back guarantee. If unsatisfied, return for a full refund – no questions asked. Free shipping in the US on orders over $50.