Winter Hydration Essential

Firming Vegan Collagen Prep Serum

$46

Winter Hydration Essential

Firming Vegan Collagen Prep Serum

$46

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. Prep Serum helps makeup glide on better while delivering calming hydration for dry, winter skin.

This is a refillable product. 

Travel Size Full Size Refill

Free US returns

Available at

Hydrates

Cruelty Free

Suitable for sensitive skin

Fragrance Free

You may also like

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

4.8
Rated 4.8 out of 5 stars
Based on 564 reviews
Total 5 star reviews: 493 Total 4 star reviews: 41 Total 3 star reviews: 20 Total 2 star reviews: 4 Total 1 star reviews: 6
94%would recommend this product
Powered by OkendoOpen Okendo Reviews in a new window
Write a Review (Opens in a new window)
564 reviews
  • LC Profile picture for LUISA C.
    LUISA C.
    Verified Buyer
    How old are you? 25 - 34
    What is your skin type? Acne Prone, Combination
    March 29, 2026
    How old are you? 25 - 34
    What is your skin type? Acne Prone, Combination
    Rated 5 out of 5 stars
    CAN’T FUNCTION WITHOUT IT

    Absolutely love this serum! It’s the one step in my routine that I will never skip out on. It makes my skin feel amazing! This is the one product that made me change my mind about using auto-replenish. Will have this on auto-replenish forever!

    Was this helpful?
  • HS
    Henry S.
    Verified Buyer
    How old are you? 55+
    What is your skin type? Combination
    March 29, 2026
    How old are you? 55+
    What is your skin type? Combination
    Rated 5 out of 5 stars
    Another great product!

    I am trying several products from Outset and have had great results from all of them, especially this one. I am a guy and have had several women compliment me on how great my skin looks! I am definitely a regular customer now!

    Was this helpful?
  • DM
    Dorene M.
    Verified Buyer
    How old are you? 55+
    What is your skin type? Dry, Combination
    March 26, 2026
    How old are you? 55+
    What is your skin type? Dry, Combination
    Rated 5 out of 5 stars
    Firming Vegan Collagen Prep Serum

    Very pleased…this product does what it says!

    Was this helpful?
  • SB
    Sandy B.
    Verified Buyer
    How old are you? 45 - 54
    What is your skin type? Combination
    March 26, 2026
    How old are you? 45 - 54
    What is your skin type? Combination
    Rated 5 out of 5 stars
    An absolute must for my skin

    I use this every night after cleansing, and I also put it on the backs of my hands before bed. It makes my skin feel really soft and moisturized and my hands aren’t dry during the day now. I ran out for a week before my next shipment and I definitely noticed my face felt drier and not as soft, never again will I go without it!

    Was this helpful?
  • PF
    Paloma F. d. l. M.
    Verified Reviewer
    How old are you? 18 - 24
    What is your skin type? Combination
    March 17, 2026
    How old are you? 18 - 24
    What is your skin type? Combination
    Rated 5 out of 5 stars
    I LOVE THIS !!

    So I got this as a gift from a CAKE event and honestly.........I got two for free and I am going to order another one soon. I absolutely love this and I am not even sure what the benefits are supposed to be but my skin feels smoother, keeps hydration longer and has definitely made my botox last longer.

    Was this helpful?