Hydrating Serum — Reddit Reviews
by BYOMA
Updated November 10, 2026
Ceramides and glycerin deliver hydration for tret-dried skin; hydration may fall short.
What the community says
A ceramide-and-glycerin serum with squalane and cholesterol for layering into dry, tret-stressed routines. Dehydrated, tret-stressed skin gets extra cushion, though some users find the hydration underwhelming and report pilling in layered routines.
What this means for you
What people love
- Ceramides plus glycerin for barrier-focused hydration
- Helps buffer tret-related dryness and itchiness
- Only a couple drops needed per use
Product details
Concerns
Skin Type
Product Traits
Key Ingredients
Where to buy
What the science says
Ceramides have some evidence for supporting the skin barrier, with both studies that tested them directly finding they helped 1. In those studies, ceramides helped skin hold moisture by lowering water loss and improved dry skin more than usual care 1. For eczema, the evidence is not proven yet, because some studies found ceramide creams eased symptoms while others found them about as good as other moisturizers 2. One study also found a hyaluronic acid foam worked faster than a ceramide cream 2.
- Ceramides for skin barrier Some evidence · 15 studies
- Ceramides for eczema Not proven yet · 13 studies
Research context, not treatment advice. Studies are about the ingredient, not necessarily this exact product.
How we grade researchFull ingredient list · 28
BYOMA Hydrating Serum ingredients
Aqua, Glycerin, Butylene Glycol, Squalane, Sodium Stearoyl Glutamate, Ammonium Acryloyldimethyltaurate/VP Copolymer, Dipropylene Glycol, Ceramide NP, Caprylic/Capric Triglyceride, Cholesterol, Phytosphingosine, Stearic Acid, Oleic Acid, Hydroxyacetophenone, Polyglyceryl-4 Oleate, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Hydrogenated Lecithin, Caprylyl Glycol, Glyceryl Oleate, Lactic Acid, Ethylhexylglycerin, Hydrogenated Rapeseed Alcohol, Sorbitan Isostearate, Sodium Phytate, Xanthan Gum, Dipotassium Glycyrrhizate, Tocopherol, Caprylhydroxamic Acid
Listed in label order, highest concentration first. Linked ingredients have their own page.
Real Reddit threads — 53 mentions across 30 threads
BYOMA Hydrating Serum on Reddit, in one place — 30 threads from r/SkincareAddiction, r/tretinoin and 2 more, summarized.
“[AM] Wash my face with water, Round Lab Dokdo toner, CosRx snail mucin, Melano Vitamin C, Byoma hydrating serum, Purito Bamboo moisturizer, and Beauty of Joseon SPF.”
Positive
“[PM] Bioderma micellar water, Tatcha rice face wash, Naturie skin conditioner, CosRx snail mucin, Anua azelaic serum, Byoma hydrating serum, Aestura moisturizer, and Laneige sleeping mask (just for the winter)”
Positive
“I have been keeping my skincare routine pretty consistent through the year since i’m a little afraid to add new products in my routine.”
Positive
“Now I use Byoma hydrating serum both AM/PM after washing my face.”
Positive
“I think the Tret, in combination with my serums and moisturizers, have helped to plump my skin.”
Positive
“I’m slacking at using a moisturizer in the AM following my serum, but I just incorporated Vanicream daily moisturizer a couple of weeks ago.”
Positive
“put on serum- I use Byoma hydrating serum”
Positive
“serum same as AM”
Positive
“I use Byoma hydrating serum”
Positive
“Night:”
Positive
“- Byoma hydration serum”
Positive
“I’ve always had the easiest skin but over the last couple years I’ve started to see changes in it”
Positive
“Byoma Hydrating Serum (just a couple of drops)”
Positive
“PM (non Tret nights): As above, but swap the Tret for Byoma Hydrating Serum”
Positive
“Byoma Hydrating Serum”
Positive
“If you are looking for a hydrating serum, I like the one by Byoma.”
Mentioned
“the byoma one is ceramides and glycerin I believe, and I feel it does a better job.”
Mentioned
“It's in the same price range as good molecules too.”
Mentioned
Dupes & Alternatives
Often paired with
Products Redditors use alongside this one
Vanicream
Mentioned together in 6 threads
“Byoma Hydrating Serum then a small amount of Vanicream Daily Facial Moisturizer”
BYOMA
Mentioned together in 5 threads
“Byoma milky toner and hydrating serum every day”