BIYSBER Retinol Collagen Face Serum, 1.70 fl oz

BIYSBER Retinol Collagen Face Serum combines retinol and peptides with hydrolyzed collagen, hyaluronic acid, and squalane. The listing positions it for face, neck, eye, and body use, with hydration and smoother-looking skin as goals, but does not disclose ingredient concentrations.

At a glance

The formula is presented as a retinol-and-peptide serum with added hydrolyzed collagen.
Hyaluronic acid and squalane are included for moisturizing and skin-barrier support, according to the listing.
The listing describes use on the face, neck, eye area, and body, and says it can be layered with other products.

Price

$17.89Save 73%

Reference price: ~~$65.99~~

Price checked: Nov 12, 2026

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Pros and cons

Pros

Combines retinol and peptides with moisturizing ingredients in one serum.
The stated application areas extend beyond the face to the neck, eye area, and body.
The listing claims the lightweight formula absorbs quickly and layers with other products.

Cons

The listing does not provide retinol or peptide concentrations, making formula strength difficult to compare.
The claimed visible results and four-week timeline are product-page claims, not independently verified outcomes.

Technical specifications

6 specifications

Identity
Brand	BIYSBER
Listed size	1.70 Fl Oz
Package dimensions and weight	5.51 x 1.77 x 1.65 inches; 7.05 ounces

Formula and stated use
Featured ingredients	retinol and peptides
Stated application areas	face, neck, eye and body
Stated skin types	dry, oily, combination, and sensitive skin

What to know before buying

The listing claims improvement in elasticity and texture within four weeks, but provides no supporting study details or ingredient concentrations. Retinol tolerance varies, so buyers who are new to it or have sensitive skin may want to consider their routine and tolerance before use.

Who is it for?

A good fit for

Shoppers seeking a retinol-and-peptide serum that also includes moisturizing ingredients.
People looking for a product the listing says can be applied to the face, neck, eye area, and body.
Buyers who want a serum described as suitable for layering into a skincare routine.

Less suited to

Shoppers who need a disclosed retinol concentration to compare formula strength.
People seeking independently substantiated clinical results or a verified four-week outcome.

BIYSBER Retinol Collagen Face Serum, 1.70 fl oz · photo 2 — Additional product photo 2

Customer reviews on Amazon

5 / 5 · 48 ratings

5 stars100%100%
4 stars0%0%
3 stars0%0%
2 stars0%0%
1 star0%0%

The supplied evidence includes aggregate ratings but no review summary or customer comments. Although the ratings shown are uniformly five-star, the figures alone do not establish what customers liked, whether the serum caused particular results, or how representative those ratings are. Consider the unspecified retinol concentration when deciding whether it suits your routine.

Frequently asked questions

What ingredients does this BIYSBER serum feature?

The listing names retinol and peptides, with hydrolyzed collagen, hyaluronic acid, and squalane as additional ingredients. It does not state their concentrations.

Where does the listing say the serum can be used?

It describes use on the face, neck, eye area, and body. The listing also says the serum can be layered with other products.

Is the four-week result guaranteed?

No. The product page claims improved elasticity and texture within four weeks, but that claim is not independently verified and individual results can vary.

Does the listing specify the retinol strength?

No retinol percentage or concentration is provided, so the formula strength cannot be determined from the supplied listing.