Medik8 Hydr8 B5 Travel Size - Liquid Rehydration Serum With Hyaluronic Acid - Replenishes, Smooths & Plumps Skin - Ideal For Normal to Sensitive Skin Types - 8ml vs Neutrogena Hydro Boost Hyaluronic Acid Concentrated Serum, 15 ml

Pros

• ✓Multi-molecular weight hyaluronic acid provides both immediate surface hydration and deeper-layer moisture retention
• ✓Fragrance-free and alcohol-free — well-tolerated by sensitive, reactive, and rosacea-prone skin
• ✓Lightweight, fast-absorbing texture that layers cleanly under moisturisers and makeup
• ✓Panthenol (B5) adds meaningful skin-repair and barrier-support benefits beyond HA alone

Cons

• ✗Travel size (8ml) has a significantly inflated cost-per-ml versus the full-size bottle
• ✗No antioxidant or active ingredients — requires companion products for anti-aging results
• ✗Hyaluronic acid can draw moisture from skin rather than atmosphere in very low-humidity environments if not sealed with a moisturiser
• ✗Isolated reports of tampered or opened packaging when purchased via third-party Amazon sellers

Best For

Pros

• ✓Lightweight, fast-absorbing gel texture universally praised — no greasy residue or heaviness
• ✓Effective humectant hydration via sodium hyaluronate; plumping effect noticed within days by multiple reviewers
• ✓Non-comedogenic profile confirmed across oily and combination skin users; no pore-clogging reported by majority
• ✓Layers seamlessly under sunscreen and makeup — ideal as a hydration base step

Cons

• ✗15 ml size is very small — several reviewers note it runs out quickly, reducing long-term cost efficiency
• ✗Fragrance present in some regional formulations — one reviewer reported persistent scent disrupting sleep, another noted stinging on application
• ✗Dimethicone (silicone) in the formula may not suit users who avoid silicones or experience pilling under certain foundations
• ✗Hydration depth may be insufficient in winter or for very dry/dehydrated skin — reviewers suggest layering with a richer moisturiser in cold climates

Best For