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Cos De BAHA Azelaic Acid 10% Serum (AZ)
Bestseller
Cos De BAHA

Azelaic Acid 10% Serum (AZ)

Serum · 30 mL

30%$9.40$13.43

Where to buy

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Key ingredients

NiacinamideAzelaic AcidHyaluronic AcidPanthenolAloe

Found in the full ingredient list below. Check how it layers with your routine

Made for

Acne-prone
Full ingredients (14)
  1. Aloe Barbadensis Leaf Extract
  2. Propylene Glycol
  3. Azelaic Acid 10.0%
  4. Polysorbate 20
  5. 1,2-Hexanediol
  6. Propanediol
  7. Panthenol
  8. Niacinamide
  9. Sodium Hyaluronate 0.2%
  10. Hamamelis Virginiana (Witch Hazel) Leaf Extract
  11. Rosmarinus Officinalis (Rosemary) Extract
  12. Eucalyptus Globulus Leaf Extract
  13. Thymus Vulgaris (Thyme) Extract
  14. Aspalathus Linearis Extract

Listed from highest to lowest concentration. Formulas change, so check the packaging if you avoid an ingredient.

Product details

A dropper bottle of Cos De BAHA Azelaic Acid 10 Serum on a stone table beside fresh aloe on a red napkin

Clear + even

A watery 10% azelaic acid serum with niacinamide and panthenol for skin that breaks out, reddens and marks easily.

Cos De BAHA’s AZ serum is built on aloe, with azelaic acid near the top of the list to calm breakouts and fade the marks they leave. Niacinamide, panthenol and hyaluronic acid keep the barrier strong and skin hydrated.

Azelaic acid, as printed on the bottle
10%
Azelaic acid, as printed on the bottle
Niacinamide and panthenol for the barrier
B3 + B5
Niacinamide and panthenol for the barrier
Gentle enough for daily use
AM + PM
Gentle enough for daily use
Cut aloe leaves beside a pool of clear, watery serum

What’s inside

The ingredients doing the work

  • Azelaic acid

    Helps calm breakouts and redness, fade dark spots and post-acne marks, and brighten uneven tone.

    No. 3 of 14 on the list

  • Niacinamide

    Vitamin B3. Strengthens the skin barrier, helps keep oil in check and evens out skin tone.

    No. 8 of 14 on the list

  • Panthenol

    Vitamin B5. Soothes and moisturizes, and supports a stronger barrier.

    No. 7 of 14 on the list

  • Aloe + hyaluronic acid

    Aloe forms the base of the formula in place of water, and hyaluronic acid adds deep hydration for skin that feels bouncier.

    No. 1, 9 of 14 on the list

Supporting botanicals

  • Witch hazel
  • Rosemary
  • Eucalyptus
  • Thyme
  • Rooibos
A bottle of Cos De BAHA Azelaic Acid 10 Serum beside clear drops of serum and a slice of aloe

How to use

After toner, before moisturizer

  1. 1

    Tone

    Wash your face and apply toner.

  2. 2

    Drop

    Put a few drops of the clear, watery serum on your face.

  3. 3

    Smooth

    Spread it evenly and let it absorb. It sinks in quickly.

  4. 4

    Seal

    Follow with moisturizer, and sunscreen in the morning.

Clear drops of serum on a pale plaster surface

Calmer, clearer, more even

A light daily serum for breakouts, redness and the marks they leave behind.

Good to know

  • Cos De BAHA recommends wearing sunscreen during the day while using it.
  • Suitable for all skin types, morning and night. Aimed especially at acne-prone skin.
  • Free of parabens, alcohol, fragrance, silicones and artificial colors, and vegan and cruelty-free, per Cos De BAHA.
  • Comes in a 30 mL dropper bottle.