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Online Exclusive

Firming Vegan Collagen Prep Serum Refill

$54
  • Home
  • All
  • Firming Vegan Collagen Prep Serum Refill

Online Exclusive

Firming Vegan Collagen Prep Serum Refill

$54

Firm. Plump. Rejuvenate.


Our 4-in-1 super serum firms, brightens, plumps, and hydrates in 4 weeks without irritation. Our skin philosophy is centered on this “prep step” - the essential, second step in your daily routine that delivers an immediate, healthy glow while conditioning skin over time. The Prep Serum “preps” skin to a balanced state after cleansing and prior to moisturizing, creating a nourished canvas that brings visible radiance and won’t pill under makeup.

Extend the life of your bottle with this refill pouch. Containing 50% more than our standard size - more product, more value and less waste.

A $69 value.

Travel Size Full Size Refill

Free US returns

Available at

Hydrates

Cruelty Free

Suitable for sensitive skin

Fragrance Free

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SUITABLE FOR SENSITIVE SKIN
VEGAN
CRUELTY FREE
DERMATOLOGIST TESTED
CLINICALLY TESTED
GLUTEN FREE
NUT ALLERGEN FREE

Delivers an Immediate, Healthy Glow

Firms, brightens, plumps, and hydrates without irritation

Our skin philosophy is centered on this “prep step” - the essential, second step in your daily routine that delivers an immediate, healthy glow while conditioning skin over time. The Prep Serum “preps” skin to a balanced state after cleansing and prior to moisturizing, creating a nourished canvas that brings visible radiance and won’t pill under makeup.

CC

Visible results in 30 days

BEFORE
AFTER 30 DAYS

Visible results in 30 days

97%

agree these products were gentle and non-irritating

92%

agree skin looks healthier

92%

 agree these products work better together

89%

agree skin appears more youthful

HEALTHY SKIN

Starts Here

CLEAN SKINCARE

ESSENTIALS

For Even The Most Sensitive

7 OUT OF 10
PEOPLE HAVE
SENSITIVE SKIN

I'm one of them

SCARLETT JOHANSSON, FOUNDER

Expertly edited

to do more with less

4.9
Rated 4.9 out of 5 stars
Based on 472 reviews
Total 5 star reviews: 447 Total 4 star reviews: 20 Total 3 star reviews: 3 Total 2 star reviews: 1 Total 1 star reviews: 1
99%would recommend this product
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472 reviews
  • M
    Mary
    April 17, 2026
    Rated 5 out of 5 stars
    5 Stars

    Love my Outset routine and all other products I have from The Outset!!

    Was this helpful?
  • SB
    Susan B.
    Verified Buyer
    How old are you? 55+
    What is your skin type? Dry
    April 9, 2026
    How old are you? 55+
    What is your skin type? Dry
    Rated 5 out of 5 stars
    Serum

    I love this product and it works really well with the moisturizer.

    Was this helpful?
  • IB
    Isabella B.
    Verified Buyer
    How old are you? 55+
    What is your skin type? Sensitive
    April 5, 2026
    How old are you? 55+
    What is your skin type? Sensitive
    Rated 5 out of 5 stars
    Love it!

    Love the serum! The refill option is such a great idea and truly the icing on the cake!

    Was this helpful?
  • BS
    Brandy S.
    Verified Buyer
    How old are you? 35 - 44
    What is your skin type? Sensitive, Dry, Acne Prone
    April 2, 2026
    How old are you? 35 - 44
    What is your skin type? Sensitive, Dry, Acne Prone
    Rated 5 out of 5 stars
    Favorite serum!

    I love the Firming Vegan Collagen Prep Serum! I have very sensitive, reactive skin and this feels soothing when I put it on. It makes my skin look dewy and hydrated. And it's great under make-up or without make-up. I will definitely keep buying this product.

    Was this helpful?
  • CS
    Connie S.
    Verified Buyer
    How old are you? 55+
    What is your skin type? Normal
    March 30, 2026
    How old are you? 55+
    What is your skin type? Normal
    Rated 5 out of 5 stars
    Prep serum

    I really like the lightness of the serum and how my skin feels after applying, I also appreciate the refill packaging

    Was this helpful?