Medik8
Niacinamide PeptidesRojukiss
HYA CERAMIDE SERUMA serum built around Niacinamide and Zinc salt, for barrier repair and hydration.
A serum built around Niacinamide and Hyaluronic acid, for barrier repair and hydration.
Brand price
GBP 49.00 · checked 8 Oct 2026 · brand's site
Brand price
Not recorded · brand's site

At a Glance

They come out differently on Silicone-free, Pore-clogger-free and Oil-free; those rows are shaded. Tap any answer to see why.

Key Ingredients

Fatty alcohol1
Waxy fatty alcohols used as emollients and thickeners; unrelated to drying alcohol.
Astringent (witch hazel / tannin)1
Tannin-bearing astringents such as witch hazel.

Benefits

Hydrating8
Boosts hydration and relieves dry, tight skin.
Acetyl Glucosamine, Caprylic/Capric Triglyceride, Crambe Abyssinica Seed Oil, Dimethicone, Glycerin, Sodium Hyaluronate, Tocopherol, Zinc PCA
Barrier Repair10
Strengthens and restores the skin's natural barrier.
Behenyl Alcohol, Caprylic/Capric Triglyceride, Cetearyl Alcohol, Cetyl Palmitate, Crambe Abyssinica Seed Oil, Dimethicone, Glycerin, Glyceryl Stearate Citrate, Niacinamide, Tocopherol
Hydrating6
Boosts hydration and relieves dry, tight skin.
Butylene Glycol, Caprylic/Capric Triglyceride, Ceramide NP, Glycerin, Panthenol, Sodium Hyaluronate
Barrier Repair7
Strengthens and restores the skin's natural barrier.
Caprylic/Capric Triglyceride, Caprylyl Glycol, Ceramide NP, Glycerin, Niacinamide, Panthenol, Sodium Polyacrylate
Reduces Irritation2
Eases discomfort and supports skin resilience.

Concerns

May Trigger Acne3
Can clog pores or trigger breakouts.
May Worsen Seborrheic Dermatitis13
May feed the yeast involved in seborrheic dermatitis.
Acetyl Glucosamine, Behenyl Alcohol, Cetearyl Alcohol, Cetyl Palmitate, Crambe Abyssinica Seed Oil, Glyceryl Stearate Citrate, Hydrogenated Lecithin, Palmitoyl Tetrapeptide-10, Polyglyceryl-3 Stearate, Polysorbate 60, Polysorbate 80, Sorbitan Isostearate, Sorbitan Stearate
May Worsen Keratosis Pilaris3
May clog follicles or strip skin prone to keratosis pilaris.
May Worsen Seborrheic Dermatitis4
May feed the yeast involved in seborrheic dermatitis.
Ceramide NP, Hydrogenated Lecithin, PEG-60 Hydrogenated Castor Oil, Phytosteryl/Octyldodecyl Lauroyl Glutamate

Ingredients Side-by-side

Niacinamide (in both products)
Smoothing
0 / —
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
Skin Conditioning
- Fatty alcohols (Malassezia)
- Dark Spots
- Hydrating
- May Worsen Seborrheic Dermatitis
Emollient
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Skin Conditioning
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Skin Conditioning
Niacinamide (in both products)
Smoothing
0 / —
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
Skin Conditioning
Hydroxyacetophenone (in both products)
Antioxidant
Ethylhexylglycerin (in both products)
Skin Conditioning
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Niacinamide
Smoothing
Niacinamide is niacinamide.
Learn more about Niacinamide →Caprylic/Capric Triglyceride
Fragrance, Perfuming, Occlusive, Solvent
Caprylic/Capric Triglyceride is the mixed triester of glycerin and caprylic and capric acids.
Learn more about Caprylic/Capric Triglyceride →Glycerin
Denaturant, Fragrance, Hair Conditioning, Humectant, Oral Care, Perfuming, Humectant, Skin Protecting, Solvent, Viscosity Controlling
Glycerin may be plant, synthetic or animal depending on the supplier.
Learn more about Glycerin →Sodium Hyaluronate
Humectant, Skin Conditioning
Sodium Hyaluronate is a hyaluronic acid.
Learn more about Sodium Hyaluronate →Phenoxyethanol
Antimicrobial, Preservative
Phenoxyethanol is the aromatic ether alcohol that conforms to the formula:
Learn more about Phenoxyethanol →Hydroxyacetophenone
Antioxidant
Hydroxyacetophenone is the organic compound
Learn more about Hydroxyacetophenone →Hydrogenated Lecithin
Skin Conditioning, Emulsifying
Hydrogenated Lecithin isn't fungal acne safe.
Learn more about Hydrogenated Lecithin →Xanthan Gum
Binding, Emulsion Stabilising, Gel Forming, Skin Conditioning, Cleansing, Emulsifying, Viscosity Controlling
Xanthan gum
Learn more about Xanthan Gum →Ethylhexylglycerin
Deodorant, Skin Conditioning
Ethylhexylglycerin is the organic compound that conforms to the formula
Learn more about Ethylhexylglycerin →
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