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#1 The Serum
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Nothing in this product works against any of your four letters, so it is safe for your skin type.
Not recommended for your sensitivity
The StoryThe beauty of resilience—captured. This sophisticated, skin-comforting serum intuitively nurtures skin resilience to enhance skin calmness and clarity day by day.
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Approved for Baumann Skin Types
- 5
- 7
- 9
- 11
Approved for 4 of the 16 Baumann Skin Types, and not for the Allergic sensitive subtype. Dr. Baumann reviews every product against all 16 types before it goes on the site.
What it is and what it does
The Story
The beauty of resilience—captured.
This sophisticated, skin-comforting serum intuitively nurtures skin resilience to enhance skin calmness and clarity day by day. The beginning of daytime radiance.
The Promise
• Cultivates skin calmness by soothing the appearance of irritation
• Strengthens skin barrier function
• Augments natural moisture levels
• Rebalances skin tone and improves clarity
• Amplifies natural luminosity
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 skin has its own immune system, with specialised tissues and cells playing a vital role in preventing environmental damage, allergy and disease.
The concept of skin immunity and beauty are exquisitely linked, with a healthy, resilient skin reflected in a clear and even complexion.
The vital processes of cell-to-cell communication and skin barrier function are supported by B-group vitamins and the phospholipid-protein structures of skin’s outermost layer, the Stratum Corneum.
Who it is for
Approved for 4 of the 16 Baumann Skin Types, and not for the Allergic sensitive subtype.
Key ingredients
Soothing antiaging ingredient that gives cells energy. Help prevent recurrence of dark spots and unwanted skin pigment.
Glycerin (Glycerol) is the best natural moisturizing ingredient to hydrate skin quickly. May give products a sticky feel.
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
Leuconostoc/Radish Root Ferment Filtrate
Leuconostoc/Radish Root Ferment Filtrate, a natural preservative from fermented radish root and Leuconostoc bacteria, offers antimicrobial protection. It helps maintain product safety while moisturizing the skin. Its peptides also soothe irritation and support a balanced skin microbiome.
Full ingredient list
Product type and skin type data
| Brand | Rationale |
|---|---|
| Product type | Facial Treatment |
| Size | 1.0 oz. |
| Item number | RAT-RS |
| Approved Baumann Skin Types | ORPW, OSPT, OSPW, ORPT |
| Recommended for these sensitivities | Acne, Redness, Stinging |
Frequently bought together
Dr. Baumann pairs these together.
Reviews
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