Olay

Olay Serum

Serum
All
1 fl oz
Serum

4.5/ 5 on Amazon244Amazon ratings3.7ProductDome score

Medium confidenceLast refreshed Aug 4, 2026Amazon data + ProductDome analysis · methodology

Best forYou want a fragrance-free hydrating serum that does not feel greasy.

A fragrance-free, non-greasy hydrating serum from Olay in a 1 fl oz size, suited to buyers who want plain moisture without added scent.

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ProductDome scorecard

How it ranks among the 293 serums we track

3.7/ 5ProductDome scoreMedium confidence

Owner satisfaction · 56% of scorecategory median 4.4★4.5

4.5★ across 244 Amazon ratings, Bayesian-smoothed toward the category average.

Evidence strength · 17% of scorecategory median 398 ratings3.0

244 Amazon ratings, weighted on a log scale so huge counts don't drown everything.

Buyer demand · 11% of score0.0

Modest tracked demand last month.

Data quality · 11% of score3.8

Brand identity, imagery, description and spec coverage.

The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 293 serums we track - how the scorecard works · full serums data report. Confidence: medium - useful but incomplete evidence.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.

Overview

This Olay serum is a fragrance-free, non-greasy hydrating formula in a 1 fluid ounce bottle, built for all skin types rather than a specific concern like brightening or firming.

With no model number or seller description attached to this listing, the attribute data is the only source available: a hydration-only serum, unscented and marketed as non-greasy.

1 fl oz hydrating serum
Fragrance free and non-greasy
Formulated for all skin types
4.5 rating across 244 reviews

Who it's for

Good for anyone wanting basic hydration without added fragrance. Skip it if you are shopping for a serum targeted at a specific concern like dark spots or fine lines.

Strengths and trade-offs

Drawn from this product's published specifications.

What stands out

Fragrance free formula
Non-greasy, everyday hydrating serum

What to check first

No model number or seller description available
Targets hydration only, not other concerns

Performance notes

The fragrance-free and non-greasy attributes point to a lightweight, everyday hydrating serum rather than a heavier night treatment.

Specifications

Dimensions & fit
Brand	Olay
Size	1 fl oz
Other details
Skin Type	All
Item Form	Serum
Scent	Fragrance Free
Benefits	Hydrating
Addresses	Hydrating
Free Of	Fragrance-free,Non-greasy

How it compares

This product against the closest alternatives we track in serums.

Product	Amazon rating	Ratings	ProductDome score
Olay SerumThis product	4.5 / 5	244	3.7 / 5
Glow Recipe 2404846 SerumGlow Recipe	4.6 / 5	8,400	4.6 / 5
mixsoon 8809732910159 Serummixsoon	4.5 / 5	10,127	4.5 / 5
Beauty of Joseon 8809738312728 SerumBeauty of Joseon	4.5 / 5	9,461	4.5 / 5
medicube 8809982768524 Serummedicube	4.6 / 5	5,103	4.5 / 5

Frequently asked

Questions about the Olay serums

Common buyer questions answered straight from the product spec data - no fluff, no "it depends".

Is this Olay serum scented?

No, it is listed as fragrance free.

What skin type is it made for?

All skin types, per the listing.

What size bottle does it come in?

1 fluid ounce.