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Active Hydration Serum

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Active Hydration Serum

$112.00 $100.00 With PC PERKS

Quench thirsty skin. Instantly boost hydration levels by 200% + lock in moisture with our super hydrating serum. Add to any Regimen for even better results.
Size: 30 mL / 1.0 Fl. Oz. U.S.
Typical Use: Once daily, in the PM


Boost hydration levels by 200% and prevents skin's moisture loss for all-day hydration


Dry, unnourished skin

With a one-time $19.95 enrollment fee, you'll enjoy all of these perks:

  • Convenient, automatic delivery of subscription orders every 60 days
  • Free shipping on orders over $80
  • 10% savings on all R+F products
  • Early access to new R+F products and exclusive promotions
  • Priority customer service
  • No commitment—cancel anytime

Save 10% + free shipping on orders $80 or more


We offer a full refund of the purchase price, excluding shipping charges, within 60 days from the date of purchase. Items that are returned outside of the R+F return policy will be discarded and no return will be issued.

If you don't love it, we'll give you a full refund

Use the Active Hydration Serum starting with nightly use and adjusting frequency and amount of serum based on your skin's needs. We recommend nightly use if you have oily or combination skin. The serum may be used twice daily (AM + PM) if you have dry skin. 


1. Twist cap counter-clockwise to unlock, then remove cap from bottle. The amount for one application will automatically be pulled into the dropper.
2. Push the button on the top of the cap to expel the serum into the palm of your hand.
3. Apply product over face, avoiding upper eyelids.
4. Immediately follow with the next step in your Regimen (Step 2 for SOOTHE, SPOTLESS and RECHARGE, Step 3 for REDEFINE, REVERSE and UNBLEMISH).



Item Number ENHEFG1

Real Results
This face serum delivers all-day hydration and boosts the performance of products layered on top. It raises skin’s hydration level by 200% after just one use and maintains continuous hydration for eight hours,* transforming dry skin into younger-looking, younger-acting skin. It also balances moisture levels and preps skin to better receive products applied after. (30 mL / 1.0 Fl. Oz. U.S.)

*Based on an 8-day U.S. clinical and consumer study.


*For more information on our 60-day return policy, including terms and conditions, please see our Satisfaction Guarantee.


R+F Active Hydration Serum increases your skin's moisture level by 200% after just one use and keeps it there for 8 hours.*

100% of participants had an increase in skin's moisture retention after 1 week*
94% of participants saw an improvement in moisture after 2 weeks**

*Based on an 8-day U.S. clinical and consumer study.
**Based on a 2-week U.S. clinical and consumer study. Results may vary depending upon multiple factors: age, gender, skin type and condition, concomitant products used, health history, location, lifestyle and diet.

Disclaimer: Results may vary depending on multiple factors: age, gender, skin type and condition, concomitant products used, health history, location, lifestyle and diet.
Unretouched photos.

Proprietary Technology + Key Ingredients:
3D3P Molecular Matrix: contains 30% Glycerin and cross-linked Hyaluronic Acid to draw moisture from the atmosphere and lock it on the surface of the skin
Glycerin: prevents moisture loss
Hyaluronic Acid: deeply hydrates

Complete Ingredient List:
Water/Aqua/Eau, Glycerin, Bis-PEG-12 Dimethicone, Pentylene Glycol, Pyrus Malus (Apple) Fruit Extract, Sodium Hyaluronate, Adenosine, Ceramide NP, Ceramide NS, Ceramide AP, Ceramide EOP, Ceramide EOS, Tocopherol, Ascorbyl Palmitate, Sea Salt/Maris Sal/Sel Marin, Cetyl Hydroxyethylcellulose, Calcium PCA, Magnesium PCA, Lecithin, Caprooyl Phytosphingosine, Caprooyl Sphingosine, Gellan Gum, Ceteareth-25, Lactic Acid, Cetyl Alcohol, Behenic Acid, Cholesterol, Hydrated Silica, Silica Dimethyl Silylate, Disodium Phosphate, Fragrance/Parfum, Hexylene Glycol, Ethylhexylglycerin, Caprylyl Glycol, Sodium Benzoate, Phenoxyethanol, Butylphenyl Methylpropional, Limonene.


How do I use R+F Active Hydration Serum with my Regimen?
R+F Active Hydration Serum works best when layered under a moisturizer or other skincare product. Apply it after cleansing and toning. Immediately follow with the next step in your skincare routine (Step 2 for SOOTHE, SPOTLESS and RECHARGE, Step 3 for REDEFINE, REVERSE and UNBLEMISH); do not wait for product to dry.

Is R+F Active Hydration Serum only for people with dry skin?
No. All skin types need hydration to perform optimally, regardless of age or skin condition. There is a misconception that only dry or older skin needs hydration, when in fact all skin types can benefit from the right type of hydration, even acne-prone or oily skin.

Will using too much R+F Active Hydration Serum make my skin oily?
R+F Active Hydration Serum is non-comedogenic (won't clog pores) and non-acnegenic (won't cause breakouts). It self-adjusts to what skin needs to help it reach its optimal moisture equilibrium. If you have oily skin, use once per day in the evening as directed for the best results.

Do I need R+F Active Hydration Serum if I am using another R+F moisturizer (e.g., REDEFINE Triple Defense Treatment, REDEFINE Overnight Restorative Cream or SOOTHE Sensitive Skin Treatment)?
Hydration and moisturization address dryness in different way. Hydration adds water to the skin, while moisturization does not actually add water to the skin, but rather forms an occlusive barrier on top of the skin to seal in the moisture that is already there. R+F Active Hydration Serum and its 3D3P Molecular Matrix add continuous hydration to the skin. It has been clinically tested to work synergistically with all R+F Regimens to boost results.

What should I do if my face feels sticky after applying R+F Active Hydration Serum?
R+F Active Hydration Serum is not meant to be the last step in your routine and works best when a moisturizer or other skincare product is immediately layered over it. Any initial stickiness should disappear once the product dries.

Can I use R+F Active Hydration Serum on my neck, chest or hands?
Yes. R+F Active Hydration Serum is safe for use on neck, chest and hands.

How much R+F Active Hydration Serum should I apply?
Once you twist open the cap, the dropper will automatically fill with the correct dose of product, which is approximately 1/3 of the length of the dropper. However, feel free to adjust dosage based on what your skin needs.

Do I apply R+F Active Hydration Serum in the morning or evening?
Begin with nightly use and adjust to twice daily if it's what your skin needs. We recommend starting with nightly use if you have oily or combination skin, and twice daily use (morning and evening) if you have dry skin. Once applied, immediately follow with the next step in your Regimen.