Skintific PDRN Brightening Smooth Serum vs The Inkey List 10% Azelaic Acid Serum for Redness Relief

Skintific

The Inkey List

A serum built around Vitamin C and Vitamin C, for barrier repair and hydration.

A serum built around Azelaic acid, for pollution defence and hydration.

Serum

42 ingredients

17 ingredients

Brand price

AUD 34.90 · checked 5 Oct 2026 · brand's site

Brand price

USD 20.00 · checked 26 Sept 2026 · brand's site

No retailer listed yet

Brand from Indonesia

Brand country not recorded

At a Glance

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

Fatty alcohol1
Waxy fatty alcohols used as emollients and thickeners; unrelated to drying alcohol.
Cetearyl Alcohol
Vitamin C (L-ascorbic acid)1
L-ascorbic acid, the unesterified form of vitamin C.
Ascorbic Acid
Vitamin C1
Vitamin C in any form: an antioxidant and brightener.
Ascorbic Acid

Polysorbates (Tween emulsifiers)1
Polysorbate (Tween) emulsifiers.
Polysorbate 60
Azelaic acid1
Works on acne, redness and pigmentation at once.
Azelaic Acid

Hydrating2
Boosts hydration and relieves dry, tight skin.
Glycerin, Propanediol
Barrier Repair2
Strengthens and restores the skin's natural barrier.
Allantoin, Glycerin
Reduces Irritation1
Eases discomfort and supports skin resilience.
Allantoin
Redness Reducing2
Soothes visible redness and calms irritation.
Allantoin, Azelaic Acid

May Trigger Acne1
Can clog pores or trigger breakouts.
Cetearyl Alcohol
May Worsen Seborrheic Dermatitis7
May feed the yeast involved in seborrheic dermatitis.
Ammonium Acryloyldimethyltaurate/Beheneth-25 Methacrylate Crosspolymer, Cetearyl Alcohol, Glyceryl Stearate, PEG-40 Hydrogenated Castor Oil, Polyglyceryl-10 Oleate, Sodium Stearoyl Lactylate, Trideceth-10
May Worsen Keratosis Pilaris1
May clog follicles or strip skin prone to keratosis pilaris.
Cetearyl Alcohol
May Worsen Irritation1
May cause stinging, redness or sensitivity.
Aroma

May Trigger Acne1
Can clog pores or trigger breakouts.
Sorbitan Isostearate
May Worsen Seborrheic Dermatitis2
May feed the yeast involved in seborrheic dermatitis.
Polysorbate 60, Sorbitan Isostearate
May Worsen Keratosis Pilaris1
May clog follicles or strip skin prone to keratosis pilaris.
Sorbitan Isostearate

Show highlights for:

Aqua (in both products)
Solvent
0 / —
PEG-8
Humectant
Propylene Glycol
Humectant
0 / 0
Butylene Glycol
Humectant
1 / 0
- Hydrating
Glycereth-26
Humectant
0 / 0
Glycerin (in both products)
Humectant
0 / 0
- Possibly animal-derived
- Hydrating
Dimethicone
Emollient
1 / 0
- Silicones
- Barrier Repair
- Hydrating
- Smoothing
Sodium DNA
Skin Conditioning
Diglucosyl Gallic Acid
Hair Conditioning
Haberlea Rhodopensis Leaf Extract
Skin Conditioning

Aqua (in both products)
Solvent
0 / —
Azelaic Acid
Buffering
- Azelaic acid
- Acne Fighting
- Dark Spots
- Even Tone
- Redness Reducing
Propanediol (in both products)
Viscosity Controlling
0-1 / —
- Hydrating
Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
Emulsion Stabilising
Phenoxyethanol
Preservative
0 / —
Acacia Senegal Gum
Fragrance
Xanthan Gum
Cleansing
0-1 / —
Allantoin (in both products)
Skin Conditioning
0 / 0
- Reduces Irritation
- Smoothing
Glycerin (in both products)
Humectant
0 / 0
- Possibly animal-derived
- Hydrating
Ethylhexylglycerin
Skin Conditioning

These ingredients are found in both products.

Ingredients higher up in an ingredient list are typically present in a larger amount.

Aqua
Solvent
Water
Learn more about Aqua →
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 →
Allantoin
Skin Conditioning, Skin Protecting, Soothing
Urea, (2,5-dioxo-4-imidazolidinyl)-
Learn more about Allantoin →
Propanediol
Solvent, Viscosity Controlling
Propanediol is the organic compound that conforms to the formula
Learn more about Propanediol →