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#1 The Hydragel
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The StoryDaytime radiance, delivered in waterlight gel wonder. This cooling hydragel delivers fortifying nutrients to the skin to support natural self-protective processes, restoring comfort and calmness as it amplifies hydration levels and reduces skin sensitivity. The Promise• Cultivates a more...
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Approved for Baumann Skin Types
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Approved for 13 of the 16 Baumann Skin Types. Dr. Baumann reviews every product against all 16 types before it goes on the site.
What it is and what it does
The Story
Daytime radiance, delivered in waterlight gel wonder.
This cooling hydragel delivers fortifying nutrients to the skin to support natural self-protective processes, restoring comfort and calmness as it amplifies hydration levels and reduces skin sensitivity.
The Promise
• Cultivates a more radiant complexion by amplifying skin resilience.
• Supports skin barrier function.
• Lightweight hydrator, elevating moisture levels.
• Restores skin softness and smoothness.
• Imparts a cooling and comforting sensation, ideal for sensitive skin types.
The Ritual
Smooth gently over face, neck, décolletage and backs of hands each morning.
Follow with your RATIONALE Essential Six formulations for day.
The Research
The vitality and beauty of human skin are closely connected to the health and resilience of its outermost layer.
Ensuring optimal hydration is critical, as the constant reinforcement of barrier function and moisturisation supports skin suppleness, rejuvenation, health and function.
B-Group Vitamins support skin resilience, assisted by anti-inflammatory rich botanical extracts including Betaine, Allantoin and Glycyrrhetinic Acid.
Who it is for
Approved for 13 of the 16 Baumann Skin Types.
Key ingredients

Glycerin (Glycerol) is the best natural moisturizing ingredient to hydrate skin quickly. May give products a sticky feel.

Soothing antiaging ingredient that gives cells energy. Help prevent recurrence of dark spots and unwanted skin pigment.

A form of Vitamin B5 that soothes and hydrates sensitive skin

Attracts water, giving cells and skin volume. Plays a key role in cell signals and other vital processes. It cushions the skin, providing resilience and firmness. This moisturizing humectant temporarily plumps fine lines and wrinkles. HA makes skin feel dewy and look radiant and glowing. Great for oily skin because it feels lightweight and non-greasy on the skin. Safe for all skin types. HA helps other skincare products get into the skin. This antiaging and hydrating ingredient can radically alter how your skin routine works by affecting penetration and absorption of other ingredients- so make sure you use it in the correct step of your skin care routine.

Combines with fatty acids and cholesterol to repair skin barrier
Full ingredient list
Product type and skin type data
| Brand | Rationale |
|---|---|
| Product type | Facial Treatment |
| Size | 3.4 oz. |
| Item number | RAT-RH |
| Approved Baumann Skin Types | DSPT, DRPW, DRPT, DSPW, ORPW, ORPT, ORNW, DRNW, DSNW, OSPT, OSNT, OSPW, OSNW |
| Recommended for these sensitivities | Acne, Redness, Stinging |
Frequently bought together
Dr. Baumann pairs these together.
Reviews
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