Effaclar H Iso-Biome Moisturizer — Reddit Reviews
Updated October 28, 2026
Panthenol moisturizer calms treatment-stressed, flaky skin; greasy finish for some.
What the community says
A richer panthenol, glycerin, and squalane moisturizer for dehydrated skin dealing with treatment-related dryness, flaking, or redness. It cushions a stressed barrier effectively, but oily skin may find the finish greasy and fragrance remains a dealbreaker for some.
What this means for you
What people love
- Panthenol-rich moisturizer for treatment-stressed skin
- Calms flaking, redness, and inflammation
- Pharmacist-recommended for drying-treatment routines
Watch out for
Product details
Skin type data limited
Where to buy
What the science says
Skin Barrier
Some evidence
Panthenol: 5 studies tested it directly. See all 20 studies
What the studies found
- All 5 studies that tested it directly found it helped the skin barrier
- It helped skin hold more water and lowered water loss through the skin
- Damaged or irritated skin showed less irritation and better healing signs
- In people getting radiation, it delayed skin barrier worsening, though a steroid cream helped more
Dehydration
Some evidence
Panthenol: 4 studies tested it directly. See all 7 studies
What the studies found
Research context, not treatment advice. Studies are about the ingredient, not necessarily this exact product.
Real Reddit threads — 19 mentions across 10 threads
La Roche-Posay Effaclar H Iso-Biome Moisturizer on Reddit, in one place — 10 threads from r/tretinoin, r/SkincareAddiction and 2 more, summarized.
“I now use either Isispharma Teen Derm Hydra or La Roche Posay Effaclar H iso-biome”
Positive
“turned out what I needed was a moisturizer that is aimed exactly at skin undergoing drying treatments!”
Positive
“Two months in and my skin keeps getting better. Flakiness, redness, inflammation, purges, ALL GONE!”
Positive
“La Roche-Posay Effaclar H Iso-Biome (morning & night)/ La Roche-Posay Cicaplast (night)”
Positive
“Current routine:”
Positive
“Is there actually a treatment/procedure that can significantly improve this type of pore appearance, or should I change my routine?”
Positive
“I recently switched my moisturiser from the La Roche-Posay Effaclar H Iso-Biome”
Positive
“to the Anua PDRN Cream”
Positive
“La Roche-Posay Effaclar H Iso-Biome (day cream)”
Positive
“Current routine:”
Positive
“I’m now on a very simple routine that has kept my skin clear so far.”
Positive
“I recently switched my moisturiser from the La Roche-Posay Effaclar H Iso-Biome to the Anua PDRN Cream”
Positive
“my skincare routine”
Positive
“letting my skin adjust to that first before introducing anything else”
Positive
“and a moizturiser called effaclar H iso-biome”
Positive
“The LRP Effeclar series is great!”
Positive
“you don't need a lot - just a non-stripping cleanser, a basic moisturizer and an SPF.”
Positive
