Hyaluronic Acid Serums

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Editorial Summary: Hyaluronic acid serums recommended by Reddit include The Inkey List and Isntree. Do note that performance varies widely by formulation, climate and application. Common user issues: sticky texture, pilling with other products, and occasional irritation or breakouts in sensitive skin. Best results come from applying to damp skin and immediately sealing with a moisturizer or occlusive.

Recommendations:

On a budget or new to HA: try accessible one‑ingredient serums (The Ordinary, The Inkey List, Good Molecules) to test tolerance and technique.
Dehydrated/dry skin that needs real moisture locking: use multi‑weight HA plus a follow‑up moisturizer or an occlusive; Hada Labo Premium or Hada Labo lotion are popular among users.
Sensitive, eczema‑prone or reactive skin: prefer fragrance‑free, minimal formulas (Isntree, Skin1004/Centella products, La Roche‑Posay Hyalu B5) and avoid serums with ferments or added fragrance.
Oily or combo skin that still needs hydration: lightweight, fast‑absorbing HA (Torriden Dive‑In, Isntree) can provide plumping without heavy residue—monitor for any drying reports from some users.
If you want cosmetic smoothing and extra actives: consider serums that combine HA with B5, peptides or multiple HA weights (SkinCeuticals B5, Alastin/SkinMedica lines) but weigh cost vs. benefit.
If you’re acne‑prone or fungal‑acne sensitive: check full ingredient lists and avoid formulas with comedogenic additives, heavy oils, or known irritants; patch test first.
Prefer a glow/skin‑prep product under makeup: some users like Glow Recipe Plum Plump for radiance but note it’s pricier and some find it sticky or fragranced—consider minis or travel sizes first.

The INKEY List Hyaluronic Acid Serum

Score: 0.73

🟢 37 positive reviews
🟡 22 neutral reviews
🔴 6 negative reviews

ISNTREE Hyaluronic Acid Water Essence

Score: 0.72

🟢 15 positive reviews
🟡 7 neutral reviews
🔴 1 negative review

Rohto Hadalabo Gokujyun Hyaluronic Moisture Lotion

Score: 0.64

🟢 17 positive reviews
🟡 5 neutral reviews
🔴 3 negative reviews

ALASTIN Skincare Hyaluronic Acid HA IMMERSE Moisturizing Face Serum

Score: 0.60

🟢 9 positive reviews
🟡 8 neutral reviews
🔴 1 negative review

Torriden DIVE IN Hyaluronic Acid Serum

Score: 0.55

🟢 38 positive reviews
🟡 42 neutral reviews
🔴 18 negative reviews

Good Molecules Hyaluronic Acid Serum Hydrating

Score: 0.51

🟢 17 positive reviews
🟡 34 neutral reviews
🔴 7 negative reviews

Skinceuticals Hydrating B5 gel

Score: 0.49

🟢 8 positive reviews
🟡 4 neutral reviews
🔴 2 negative reviews

Glow Recipe Plum Plumping & Hydrating Hyaluronic Acid Serum

Score: 0.42

🟢 27 positive reviews
🟡 20 neutral reviews
🔴 21 negative reviews

The Ordinary Hyaluronic Acid 2% + B5

Score: 0.37

🟢 40 positive reviews
🟡 28 neutral reviews
🔴 45 negative reviews

La Roche-Posay Hyalu B5 Pure Hyaluronic Acid Serum

Score: 0.32

🟢 11 positive reviews
🟡 17 neutral reviews
🔴 10 negative reviews

Asked by Redditors

What does a hyaluronic acid (HA) serum actually do?

HA is a humectant that helps the skin hold water for immediate plumping and smoother-looking texture; it treats dehydration (lack of water) not oiliness or structural volume loss, so results depend on formula and how you lock the moisture in.

How and when should I use an HA serum in my routine?

Apply HA to damp skin right after cleansing or a watery toner, pat gently, then follow with a moisturizer or occlusive to seal it in; it goes before heavier serums/creams and before sunscreen in the AM.

Why does my HA serum feel sticky or pill with my sunscreen/makeup?

Texture and pilling are usually down to the specific formula (thickeners, propanediol, film formers) or product layering; fix by applying to damp skin, waiting a short moment to absorb, or switching to a different moisturizer/sunscreen that plays well with that HA.

Can HA cause breakouts, burning, or flare‑ups?

Pure HA is generally well tolerated, but some people experience irritation, burning or new breakouts due to added ingredients (fragrance, ferments, certain carriers) or because HA can increase absorption of stronger actives — patch test and stop if your skin reacts.

Which type of HA serum is worth choosing?

Look for multi‑molecular‑weight HA plus supporting ingredients like B5, peptides or soothing agents if you want extra plumping/repair; fragrance‑free, minimal‑ingredient options are safer for reactive skin, while high‑end formulas may add proprietary boosters but aren’t always necessary.

Application Tips by Redditors:

Apply HA to damp (not bone‑dry) skin—pat the serum in gently so it can bind water where the skin needs it.
Always follow HA with a moisturizer or an occlusive within a minute to lock the hydration in; without that step HA can feel less effective or even accentuate dryness.
Patch‑test new HA products and introduce them one at a time, especially if you use actives (retinoids, acids); if you get burning or sudden breakouts, stop and re‑evaluate ingredients.