US
K6 Skin Care

Retinol Gel 0.1 Vitamin A Repairs Fine Lines & Wrinkles

  • Gel
  • Tube
  • 1 ounce
  • gluten_free, microbead_free
4.4/ 5 on Amazon1,100Amazon ratings3.8ProductDome score
  • More reviewed than 63%
High confidenceLast refreshed Aug 4, 2026Amazon data + ProductDome analysis · methodology
Best forYou want a basic retinol and vitamin A gel to target fine lines, acne, or uneven tone

A straightforward retinol and vitamin A gel with a reasonable rating base, worth trying if you already tolerate retinol and want a simple tube formula.

View current price on Amazon →

As an Amazon Associate, ProductDome may earn a commission from qualifying purchases made through links on this page.

ProductDome scorecard

How it ranks among the 238 gels we track

3.8/ 5ProductDome scoreHigh confidence
Owner satisfaction · 56% of scorecategory median 4.6★4.4

4.4★ across 1,100 Amazon ratings, Bayesian-smoothed toward the category average.

Evidence strength · 17% of scorecategory median 461 ratings3.8

1,100 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 238 gels we track - how the scorecard works · full gels data report. Confidence: high - strong rating volume and complete data.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.

Overview

K6 Skin Care's retinol gel (model LI-16) combines retinol and vitamin A with collagen in a 20 gram tube, aimed at fine lines, wrinkles, acne, uneven skin tone, and age or sun spots. It's gluten free and microbead free.

Retinol and vitamin A are the active ingredients doing the anti aging work here, with collagen listed as a supporting ingredient. The tube format and gel texture keep it simple to apply as a targeted treatment rather than an all over moisturizer, and it's positioned for adult use on the face.

  • 20 gram tube format
  • Retinol plus vitamin A formula
  • Targets fine lines, wrinkles, acne, and sun spots
  • Gluten free, microbead free

Who it's for

This fits shoppers looking for a basic retinol gel to address fine lines, acne, or uneven tone without a lot of added fragrance or texture claims. It is not described as suited for sensitive or retinol naive skin, so anyone new to retinol should introduce it gradually.

Strengths and trade-offs

Drawn from this product's published specifications.

What stands out
  • Retinol and vitamin A as active ingredients
  • Also lists collagen as a special ingredient
  • Gluten free and microbead free
What to check first
  • No mention of a lower strength option for sensitive skin
  • Small 20 gram tube size

Performance notes

Retinol works gradually to increase cell turnover, and the label ties it to fine lines, wrinkles, acne, uneven tone, and sun spots. The gel comes in a compact 20 gram tube, so it's meant for spot or targeted use rather than covering large areas.

Specifications

BrandK6 Skin Care
ModelLI-16
Dimensions & fit
Item Weight0.7 ounces
Item Dimensions4.7 × 1.6 × 1.2 inches
Capacity & performance
Age Range DescriptionAdult
Construction & materials
Material Type Freegluten_free, microbead_free
Included components
Unit Count1 ounce
Other details
Container TypeTube
AsinB09PYSS2LF
Special Ingredientscollagen
Customer Reviews{'ratings_count': '1,153', 'stars': '4.4'}
Recommended Uses For ProductAcne, Uneven Skin Tone, Wrinkles
Best Sellers Rank#26,312 in Beauty & Personal Care (See Top 100 in Beauty & Personal Care) #73 in Facial Cleansing Gels
Other Special Features Of The ProductAnti Aging
Country As LabeledUnited States
Item FormGel
Upc305912924186
Active Ingredientsretinol,vitamin a
Manufacturer Part NumberLI-16
Target Use Body PartSkin

How it compares

This product against the closest alternatives we track in gels.

ProductAmazon ratingRatingsProductDome score
Retinol Gel 0.1 Vitamin A Repairs Fine Lines & WrinklesThis product4.4 / 51,1003.8 / 5
Simple Kind to Skin Refreshing Facial Wash GelBrand4.6 / 528,5004.6 / 5
patanjali Aloe Vera Gelpatanjali4.4 / 57,3004.5 / 5
Differin Acne Treatment GelDifferin4.5 / 571,0004.3 / 5
Bioderma Sensibio Foaming Gel Gentle Face CleanserBioderma4.7 / 522,7004.3 / 5
Frequently asked

Questions about the K6 Skin Care LI-16

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

What is the K6 Skin Care retinol gel (model LI-16) meant to treat?

The listing targets fine lines, wrinkles, acne, uneven skin tone, and age or sun spots.

Is the K6 Skin Care retinol gel gluten free?

Yes, it's labeled gluten free and microbead free.

What size is the K6 Skin Care retinol gel?

It comes in a 20 gram tube.