I have tested more cordless hair straighteners than I care to admit, and I will tell you right now: the gap between a travel-friendly flat iron and a cordless one built for daily use is massive. After packing three of them through airport security in one month, I learned exactly which ones survive a real … Read more
Every January, my scalp starts acting up. Tight, itchy, and flaking by the second week of January, I used to blame conditioner until I started testing scalp serums professionally at Mercer Street Salon. After eight weeks of testing eight formulas on real clients during the coldest part of , our team landed on the best … Read more
Going gray used to feel like giving up control, but I learned the opposite is true. The right products make a gray transition look intentional, healthy, and bright instead of dull or yellowed. After spending three months testing purple shampoos, deep masks, and scalp serums on real clients, my team pulled together the best hair … Read more
Three minutes after walking outside on a humid August morning, my carefully blown-out hair puffed up like I’d stuck my finger in a socket. That single moment sent me down a rabbit hole to find the best anti-humidity products for blowout longevity. Our team spent 60 days testing 12 different formulas in real humidity, in … Read more
I have spent the last three months washing, brushing, blow-drying, and generally abusing twelve different extension-safe products on a head of fine, tape-in hair extensions. My mission was simple: find the best hair products for fine hair extensions that actually deliver volume, slip, and softness without matting the bonds or flattening the strands. The results … Read more
I spent six weeks rotating through bottles on three different clients at our salon to find the best beach wave spray for effortless texture, and what surprised me was how uneven the results were. One left fine hair looking fuller and soft. Another turned the same head into a helmet of crunchy straw. A third … Read more
I cut my own curtain bangs last summer and immediately panicked. They fell flat, the ends stuck out at weird angles, and I could not get that effortless swoop I kept seeing on Pinterest. After three months of trial and error (and one truly tragic flat-iron incident), I finally cracked the code. It is not … Read more
If your hair falls flat by lunchtime and refuses to hold a style, I have good news. After three months of daily testing in our salon and on our team members with fine, thinning, and stubbornly flat hair, I can tell you the right volumizing powder changes everything. A good powder does what mousses and … Read more
I’ve spent the last three months testing the best deep conditioning treatments for heat damaged hair on over 30 clients at our salon, and the results surprised me. Heat damage is sneaky. You don’t always see it at first; one too many passes with a flat iron or that daily blow-dry habit slowly strips your … Read more
I have spent the last decade chasing glass hair on my own head, and I have tested dozens of bottles to find what actually delivers a mirror-like finish. When clients ask me at Mercer Street Salon about the best hair products for shiny glossy hair, I tell them the same thing: shine is not magic, … Read more