Kiehl's Age Defender Power Serum For Men vs The Inkey List 10% Azelaic Acid Serum for Redness Relief

Kiehl's

Age Defender Power Serum For Men

The Inkey List

10% Azelaic Acid Serum for Redness Relief

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

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

Serum

27 ingredients

17 ingredients

Brand price

INR 4900.00 · checked 8 Oct 2026 · brand's site

Brand price

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

No retailer listed yet

At a Glance

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

Key Ingredients

Vitamin E1
Tocopherols — fat-soluble antioxidants.
Tocopherol

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

Benefits

Hydrating6
Boosts hydration and relieves dry, tight skin.
Butylene Glycol, Dimethicone, Glycerin, Hydrolyzed Soy Protein, Propylene Glycol, Tocopherol
Barrier Repair7
Strengthens and restores the skin's natural barrier.
Cryptomeria Japonica Bud Extract, Dimethicone, Glycerin, Glycine Soja Oil, Isononyl Isononanoate, Propylene Glycol, Tocopherol
Reduces Irritation1
Eases discomfort and supports skin resilience.
Ruscus Aculeatus Root Extract
Redness Reducing1
Soothes visible redness and calms irritation.
Ruscus Aculeatus Root Extract

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

Concerns

May Trigger Acne2
Can clog pores or trigger breakouts.
Glycine Soja Oil, Tocopherol
May Worsen Seborrheic Dermatitis2
May feed the yeast involved in seborrheic dermatitis.
Glycine Soja Oil, Hydroxypalmitoyl Sphinganine
May Worsen Keratosis Pilaris2
May clog follicles or strip skin prone to keratosis pilaris.
Glycine Soja Oil, Tocopherol
May Worsen Oily Skin1
May increase shine or excess oil.
Glycine Soja Oil

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

Ingredients Side-by-side

Show highlights for:

Aqua (in both products)
Solvent
0 / —
Glycerin (in both products)
Humectant
0 / 0
- Possibly animal-derived
- Hydrating
Dimethicone
Emollient
1 / 0
- Silicones
- Barrier Repair
- Hydrating
- Smoothing
Alcohol Denat.
Fragrance
0 / —
- Denatured alcohol
- May Worsen Dryness
- May Worsen Eczema
- May Worsen Irritation
- May Worsen Rosacea
Isononyl Isononanoate
Emollient
Butylene Glycol
Humectant
1 / 0
- Hydrating
Ammonium Polyacryloyldimethyl Taurate
Emulsion Stabilising
Phenoxyethanol (in both products)
Preservative
0 / —
Pentylene Glycol
Skin Conditioning
0-1 / —
Hydrolyzed Soy Protein
Humectant

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

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 →
Phenoxyethanol
Antimicrobial, Preservative
Phenoxyethanol is the aromatic ether alcohol that conforms to the formula:
Learn more about Phenoxyethanol →