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 10% Serum 1 Fl Oz – Zinc PCA, Hyaluronic Acid & Aloe ...

Product ID: 254728661

Details

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

⚡Fast-absorbing, non-sticky formula

🌿Hyaluronic Acid for deep hydration

💧10% Niacinamide for pore tightening

$15.82

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Description

✨ Glow Up Your Routine with Science-Backed Skincare! 💧

HYDRATION HERO - Infused with Hyaluronic Acid to deliver intense moisture without heaviness—ideal for oily and combination skin.
COLLAGEN BOOSTER - Stimulates collagen production to restore youthful skin elasticity and firmness.
ORGANIC SKIN SMART - Soap-free, vitamin B3 enriched formula that balances oil and soothes skin, perfect for daily use day and night.
PORE PERFECTING POWER - 10% Niacinamide visibly tightens pores and reduces wrinkles for a flawless finish.
LIGHTWEIGHT LAYER FRIENDLY - Clear, fast-absorbing serum that works seamlessly under makeup and sunscreen—no greasy residue.

Cos De Baha Niacinamide Serum 10% with Hyaluronic Acid is a lightweight, organic serum designed to tighten pores, reduce wrinkles, and boost collagen. Its fast-absorbing, non-sticky formula hydrates deeply while balancing oily and combination skin types. Enriched with vitamin B3, this 1 fl oz serum supports skin repair and fading of dark spots, making it a must-have for a radiant, youthful complexion.

Specifications

ASIN	B07H3ZQ8R4
ASIN	B07H3ZQ8R4
Active Ingredients	hyaluronic_acid, niacinamide
Best Sellers Rank	#12,973 in Beauty ( See Top 100 in Beauty ) #27 in Facial Oils
Brand Name	Cos De BAHA
Customer Reviews	4.2 4.2 out of 5 stars (3,770)
Customer reviews	4.2 4.2 out of 5 stars (3,770)
Date First Available	2 November 2018
Department	Adults
Global Trade Identification Number	08809240317853
Is Discontinued By Manufacturer	No
Item Form	Drop
Item Volume	60 Milliliters
Item Weight	2 Ounces
Item model number	N30ml
Manufacturer	Cos De BAHA
Manufacturer	Cos De BAHA
Manufacturer Part Number	N30ml
Material Features	Absorbs quickly and leaves a non-sticky finish that works well under makeup and sunscreen., Clear, lightweight serum texture absorbs quickly, ideal for oily and combination skin needing hydration without heaviness.
Material Type Free	soap free
Model Number	N30ml
Number of Items	1
Product Benefits	Moisturizing, Skin Balance, Balanced Skin Tone, Pore Care, Oil-Water Balance
Product Dimensions	3.5 x 3.5 x 9.8 cm; 56.7 g
Recommended Uses For Product	Acne,Provides Vitamins,Uv Protection,Wrinkles
Scent Name	Fresh
Skin Tone	Fair
Skin Type	All Skin Types, especially Oily and Combination Skin, Normal
Special Ingredients	hyaluronicacid, niacinamide, vitaminc
Target Use Body Part	Skin
UPC	889810292115
Unit Count	3.0 Ounce

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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$15.82

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

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