BIYSBER Retinol Face & Neck Serum with Peptides and NAD+, 1.7 fl oz

BIYSBER Retinol Serum combines retinol, NAD+ and peptides in a face-and-neck formula. The listing describes lightweight hydration and use under moisturizer or makeup, while advising new retinol users to begin gradually.

At a glance

Combines retinol, NAD+ support and a multi-peptide complex, according to the listing.
Designed for face, jawline and neck, including cheeks and visible expression lines.
The listing describes a lightweight, non-greasy serum intended to layer under moisturizer or makeup.
Instructions advise starting 2–3 nights weekly and increasing gradually as skin adjusts.

Price

$17.99Save 10%

Reference price: ~~$19.99~~

Price checked: Nov 12, 2026

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Pros and cons

Pros

One formula is presented for both face and neck use.
Lightweight moisture and a non-greasy feel are listed, with customer feedback also noting softer, more hydrated-feeling skin and quick absorption.
Can be layered under moisturizer or makeup, according to the product description.

Technical specifications

5 specifications

Identity
Brand	BIYSBER

Product details
Size	1.7Fl Oz
Package dimensions and weight	5.43 x 1.65 x 1.61 inches; 6.35 ounces

Formula and intended use
Listed usage	Morning or evening use
Skin types claimed	all skin types

What to know before buying

Retinol use guidance says to start 2–3 nights per week, increase gradually as skin adjusts, and follow with moisturizer. If using during the day, apply sunscreen. The listing recommends patch testing for retinol newcomers or delicate skin.

Who is it for?

A good fit for

Shoppers looking for a retinol serum for both face and neck.
People who prefer a lightweight serum they can layer beneath moisturizer or makeup.
Those seeking a formula listing retinol alongside NAD+ and peptides.

Less suited to

Anyone seeking a product with a disclosed retinol concentration, since none is provided in the supplied listing details.
People who prefer to avoid retinol or cannot follow the gradual-use and daytime sunscreen guidance.

BIYSBER Retinol Face & Neck Serum with Peptides and NAD+, 1.7 fl oz · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.8 / 5 · 40 ratings

5 stars84%84%
4 stars16%16%
3 stars0%0%
2 stars0%0%
1 star0%0%

Customer feedback is positive about texture, hydration and a non-greasy feel, with reported quick absorption and softer-feeling skin. Some feedback describes the serum as effective on both face and neck and mentions clearer-looking skin. These are customer impressions rather than proof of the listing's claims about fine lines or firmness. The supplied rating distribution is favorable, though it does not establish specific outcomes.

Positive themes

Customers report a soft, hydrated feel and a texture they find pleasant.
Feedback describes quick absorption without a sticky or greasy feel.
Some customers report using it on both face and neck.

Frequently asked questions

Can this serum be used on both face and neck?

The listing says it is designed for the face, cheeks, jawline and neck.

How should a retinol beginner start using it?

The listing advises starting 2–3 nights weekly, then gradually increasing as skin adjusts. It also recommends patch testing for newcomers or delicate skin and following with moisturizer.

Can it be used during the day?

The listing allows morning or evening use, but advises applying sunscreen after daytime use. It also notes many people prefer retinol at night.

Can it be layered with other skincare?

The listing says it layers under moisturizer or makeup and recommends following use with moisturizer.