Can i use this after the aha serum?

I would add 2 drops and mix it with your serum.

any negative affects re ph balance?

I haven't had any negative effects. I just ordered my 4th bottle. My skin does so well with this product. Everything else makes me break out. This heals my acne and helps my skin look younger.

Should this product be put on by hand or with a cotton swab?

I put it on my hand, but it’s whatever you prefer.

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Niacinamide 10% + Zinc 1%

Product ID: 254728661

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Details

Skin type
All Skin Types
Product benefits
Moisturizing
Use for
Skin
Scent
Fresh
Special ingredients
niacinamide

🌿Organic, free from 6 harmful chemicals

💧Hyaluronic Acid deeply hydrates

🔬10% Niacinamide for potent skin repair

Description

✨ Glow like you mean it — skin that speaks success! ✨

HYDRATION HERO - Infused with hyaluronic acid for lasting moisture
AGE DEFYING FORMULA - Reduces wrinkles and boosts collagen naturally
SPOTLESS CONFIDENCE - Fades dark spots and evens skin tone day & night
PORE PERFECTING POWER - Tightens pores visibly for a flawless finish
CLEAN BEAUTY COMMITMENT - Free from parabens, sulfates, alcohol & fragrance

Cos De Baha Niacinamide Serum 10% with Hyaluronic Acid is a premium Korean skincare solution designed to tighten pores, reduce wrinkles, and boost collagen. This organic, non-greasy serum fades dark spots and repairs skin with a clean formula free from parabens, sulfates, alcohol, and artificial colors. Perfect for professionals seeking radiant, youthful skin with a commitment to clean beauty.

Specifications

Manufacturer	Cos De BAHA
Item model number	N30ml
Product Dimensions	3.5 x 3.5 x 9.8 cm; 56.7 g
ASIN	B07H3ZQ8R4

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