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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Cos De Baha Niacinamide Serum 10% With Hyaluronic Acid-Tightens Pores, Reduces Wrinkles, Boosts Collagen & Repairs Skin, Fades Dark Spots, Whitening Day Night Serum, Organic, Vitamin B3 1Fl-Oz

Cos De Baha Niacinamide Serum 10% With Hyaluronic Acid-Tightens Pores, Reduces Wrinkles, Boosts Collagen & Repairs Skin, Fades Dark Spots, Whitening Day Night Serum, Organic, Vitamin B3 1Fl-Oz

Product ID: 134044659

Details

Active Ingredients
niacinamide
Brand
Cos De BAHA
Item Form
Drop
Item Volume
60 Millilitres
Item Weight
2 Ounces
Material Feature
Organic

✨Fades dark spots & tightens pores

💧Hyaluronic Acid for deep hydration

🔬10% Niacinamide for skin clarity

Description

✨ Unlock your skin’s glow-up with science-backed simplicity!

HYDRATION HERO - Infused with Hyaluronic Acid to deliver lasting moisture without heaviness.
WRINKLE WARRIOR - Supports collagen production to visibly reduce fine lines and wrinkles.
DAY NIGHT POWERHOUSE - Gentle enough for twice-daily use, enhancing skin repair around the clock.
CLEAN ORGANIC FORMULA - Free from irritants, perfect for sensitive, combination skin types craving clarity.
GLOW BOOSTING NIACINAMIDE - Clinically proven 10% concentration to refine pores and brighten skin tone.

Cos De Baha Niacinamide Serum 10% with Hyaluronic Acid is a lightweight, organic day and night serum designed to tighten pores, reduce wrinkles, boost collagen, and fade dark spots. Its 10% Niacinamide concentration combined with hydrating Hyaluronic Acid delivers visible skin clarity and smoothness, suitable for sensitive and combination skin. This 30ml serum layers seamlessly into any skincare routine, offering effective, irritation-free results that elevate your daily glow.

Specifications

ASIN	B07H3ZQ8R4
Active Ingredients	niacinamide,collagen
Best Sellers Rank	#218,230 in Beauty ( See Top 100 in Beauty ) #6,585 in Face Creams
Brand	Cos De BAHA
Customer Reviews	4.3 out of 5 stars 3,763 Reviews
Global Trade Identification Number	08809240317853
Item Form	Drop
Item Type Name	serum
Item Volume	60 Millilitres
Item Weight	2 Ounces
Manufacturer Part Number	N30ml
Material Feature	Organic
Material Features	Organic
Model Number	N30ml
Product Benefits	Pores,Whitening,Wrinkles
Skin Tone	All
Skin Type	All
UPC	889810292115
Unit Count	30 Milliliters

Reviews

T**S

29.06.2025

A**X

21.05.2025

S**D

25.12.2025

F**R

24.02.2025

N**P

20.02.2026

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