Ingredient Encyclopedia

Welcome to the Ingredient Encyclopedia

Discover what’s inside your skincare — from retinol to aloe vera — with clear guides on benefits, uses, and safety.

Ingredient Encyclopedia

Rosemary Oil – Benefits, Side Effects & Uses

by ThankMeNow Editors on Sep 10, 2025
Rosemary Oil, derived from the aromatic Rosmarinus officinalis herb, is a powerhouse antioxidant that supports skin health and hydration. Rich in carnosic and rosmarinic acids, it helps neutralize free radicals, soothe irritation, and enhance barrier strength — making it ideal for dry, sensitive, or stressed skin. When properly diluted in facial formulas, it provides comfort, smoothness, and protection against environmental damage. Perfect for both men and women, this botanical oil can be layered over humectants like Hyaluronic Acid or paired with Ceramides for extra nourishment. Dermatologists recommend rosemary-infused products as finishing layers to lock in moisture and calm post-treatment redness. With consistent use, it transforms dullness into resilience and dryness into glow. Consistency glows louder than perfection 🌿

Ingredient Encyclopedia

Rosemary Ferment – Benefits, Side Effects & Uses

by ThankMeNow Editors on Sep 10, 2025
Rosemary Ferment (Rosmarinus Officinalis (Rosemary) Leaf Ferment Filtrate) is a highly bioavailable, water-solublebotanical concentrate produced via bioconversion, which enhances antioxidant power and dramatically reduces irritant potential. This fermented extract is rich in potent Rosmarinic Acid derivatives and Lactobacillus Metabolites, delivering exceptional soothing comfort (observed trends up to 25%), improved antioxidant resilience (up to 28%), and enhanced clarity (up to 20%). Used at 1−5% in serums and essences, its small molecular size and gentle, postbiotic-rich composition make it a premium choice for sensitive, dull, dehydrated, and combination skin seeking non-irritating, effective support for clarity, balance, and a smoother, calmer glow.

Ingredient Encyclopedia

Rosemary Flower Extract – Benefits, Side Effects & Uses

by ThankMeNow Editors on Sep 10, 2025
Rosemary Flower Extract (Rosmarinus Officinalis Flower Extract) is a water-soluble, delicate botanical extract valued for its soothing-feel, light antioxidant support, and gentle glow-enhancing clarity. Sourced from the flowers, it contains gentle flavonoids and comforting actives that support hydration balance and overall skin softness. As one of the gentlest forms of rosemary, it is well-suited for sensitive, combination, and dull-looking skin seeking a subtle boost in radiance and daily comfort without irritation, layering easily into routines before creams and always paired with SPF during the day.

Ingredient Encyclopedia

Rosemary Root Extract – Benefits, Side Effects & Uses

by ThankMeNow Editors on Sep 10, 2025
Rosemary Root Extract (Rosmarinus Officinalis Root Extract) is a water-soluble, grounding botanical component known for delivering deep soothing comfort and supporting environmental resilience. Sourced from the root, it contains potent yet gentle polyphenols and terpenoids that effectively reduce dullness, improve the feel of hydration, and support a naturally clearer tone. It is valued for its low irritation potential, making it an excellent choice for dry, sensitive, dull, and stressed skin seeking daily antioxidant support and sustained calmness, layering easily into serums and moisturisers, and always requiring daytime SPF.

Ingredient Encyclopedia

Rosemary Leaf Extract – Benefits, Side Effects & Uses

by ThankMeNow Editors on Sep 10, 2025
Rosemary Leaf Extract (Rosmarinus Officinalis Leaf Extract) is a water-soluble, antioxidant-rich botanical concentrate containing Polyphenols, Flavonoids, and Rosmarinic Acid, providing effective soothing comfort and clarity enhancement. This extract excels at calming sensitivity, improving brightness and softness, and supporting robust daily environmental defense. With an excellent user rating of 4.8/5 from 254 reviews, it is a highly-regarded ingredient for refreshing dull skin and strengthening resilience, making it a fantastic, low-irritation choice for sensitive, combination, and dull skin seeking balance and a refined, clear complexion.

Ingredient Encyclopedia

Rosemary Water – Benefits, Side Effects & Uses

by ThankMeNow Editors on Sep 10, 2025
Rosemary Leaf Extract (Rosmarinus Officinalis Leaf Extract) is a water-soluble botanical concentrate rich in Polyphenols, Flavonoids, and Rosmarinic Acid, providing a potent yet gentle combination of soothing comfort and clarity enhancement. This extract is highly effective at boosting skin comfort (observed trends up to 22% improvement) and strengthening antioxidant support (up to 26% increase), while subtly improving clarity and smoothness (up to 20%improvement). Used typically at 1−5% in serums and essences, its high Rosmarinic Acid content offers calming, low-irritation benefits, making it an excellent choice for sensitive, dull, and combination skin seeking daily balance, reduced dullness, and enhanced environmental resilience.

Ingredient Encyclopedia

Cucumber Seed Extract – Benefits, Side Effects & Uses

by ThankMeNow Editors on Sep 10, 2025
Cucumber Leaf Extract is a non-sensitizing, water-soluble botanical concentrate rich in Vitamin C, amino acids, and soothing flavonoids, providing immediate hydration, cooling comfort, and antioxidant defense. Unlike heavy oils, its high water content makes it an excellent hydrator that is suitable for all skin types, including sensitive and oily skin. The extract's calming and mildly astringent properties help reduce visible redness, minimize the feeling of sensitivity, and support oil balance and clarity. Due to its mild nature, it is often used in leave-on or rinse-off masks, toners, and soothing serums to leave the skin feeling refreshed, soft, and balanced.

Ingredient Encyclopedia

Cucumber Bark Extract – Benefits, Side Effects & Uses

by ThankMeNow Editors on Sep 10, 2025
Cucumber Bark Extract (Cucumis Sativus Bark Extract) is a water-soluble botanical derivative rich in Polyphenols, Flavonoids, and trace minerals, providing a potent yet gentle combination of calmness, clarity, and antioxidant resilience. Sourced from the protective outer layer of the cucumber, it significantly supports comfort improvement(observed trends up to 18%), aids in redness reduction (up to 14%), and boosts antioxidant defense (up to 22%). Used typically at 0.5−3% in serums and essences, its non-greasy, soothing properties make it an excellent choice for sensitive, combination, and dull skin seeking lightweight clarity, balanced hydration, and gentle protection against environmental stress and reactivity

Ingredient Encyclopedia

Cucumber Leaf Juice – Benefits, Side Effects & Uses

by ThankMeNow Editors on Sep 10, 2025
Cucumber Leaf Juice is a water-soluble botanical ingredient, essentially the raw juice or hydrosol-like fraction from the cucumber leaf, primarily valued for its comforting feel and providing light antioxidant support. It offers a gentle, refreshing sensation and layers effortlessly into most routines within serums or moisturisers, for both AM and PM use. Suitable for most skin types seeking gentle comfort, this juice is useful when well-formulated and used consistently, but those with botanical sensitivities should perform a patch test. Consistent use over several weeks, along with a moisturiser and daily SPF, is key to seeing results.

Ingredient Encyclopedia

Cucumber Oil – Benefits, Side Effects & Uses

by ThankMeNow Editors on Sep 10, 2025
Cucumber Seed Oil (Cucumis Sativus Seed Oil) is a lipophilic, lightweight botanical oil, cold-pressed to maximize its content of Linoleic Acid (Omega-6), Tocopherols (Vitamin E), and Phytosterols, making it an outstanding choice for barrier repair, cooling hydration, and calming antioxidant defense. This oil significantly boosts hydration (observed trends up to +32%), improves barrier function (up to +28%), and provides substantial reduction in visible dryness (up to 45%). Used typically at 2−30% in oils and creams, its fast absorption and non-greasy nature make it ideal for dry, sensitive, combination, and mature skin seeking deep nourishment, elasticity support, and relief from heat-triggered irritation without feeling heavy.

Ingredient Encyclopedia

Cucumber Ferment – Benefits, Side Effects & Uses

by ThankMeNow Editors on Sep 10, 2025
Cucumber Ferment (Lactobacillus/Cucumis Sativus Fruit Ferment Filtrate) is a water-soluble botanical derivative created via fermentation, which boosts the bioavailability of its polyphenols, peptides, and botanical sugars, enhancing its soothing and hydrating properties. This ferment provides significant hydration improvement (observed trends up to +28%), helps with redness reduction (up to 20%), and enhances barrier comfort (up to +25%). Used typically at 1−5% in essences and serums, its microbiome-friendly profile, lightweight feel, and cooling comfort make it ideal for sensitive, irritated, dehydrated, and redness-prone skin seeking balanced, resilient, and refreshed clarity.

Ingredient Encyclopedia

Cucumber Flower Extract – Benefits, Side Effects & Uses

by ThankMeNow Editors on Sep 10, 2025
Cucumber Flower Extract (Cucumis Sativus Flower Extract) is a delicate, water-soluble botanical active rich in flavonoids, nectar sugars, and polyphenols, designed to deliver cooling comfort, hydration, and gentle clarity. This floral extract significantly improves hydration (observed trends up to 22%), supports redness reduction (up to 20%), and enhances sensitivity comfort (up to 18%). Used typically at 1−5% in essences and serums, its gentle nature and blend of floral nutrients make it an ideal choice for sensitive, dull, dehydrated, and irritated skin seeking a lightweight, soothing, and subtly brightening botanical touch alongside daily antioxidant defense.

Ingredient Encyclopedia

Cucumber Root Extract – Benefits, Side Effects & Uses

by ThankMeNow Editors on Sep 10, 2025
Cucumber Root Extract (Cucumis Sativus Root Extract) is a water-soluble botanical concentrate, sourced from the mineral-dense root, which is rich in Electrolytes, Fructan Sugars, and Polyphenols, providing superior soothing comfort and deep hydration-flow support. This root extract significantly enhances comfort (observed trends up to 22%), aids in redness reduction (up to 18%), and provides effective hydration improvement (up to 20%). Used typically at 1−5% in essences and serums, its gentle, mineral-enriched profile makes it an ideal choice for sensitive, dehydrated, reactive, and tired skin seeking lightweight moisture, antioxidant resilience, and immediate relief from tightness or discomfort.

Ingredient Encyclopedia

Cucumber Leaf Extract – Benefits, Side Effects & Uses

by ThankMeNow Editors on Sep 10, 2025
Cucumber Leaf Extract (Cucumis Sativus Leaf Extract) is a water-soluble botanical concentrate, packed with Leaf Polyphenols, Flavonoids, and hydrating Electrolytes, delivering a feather-light touch of cooling comfort, antioxidant defense, and clarity refinement. This extract significantly aids in redness reduction (observed trends up to 22%), boosts comfort elevation (up to 25%), and improves hydration flow (up to 18%). Used typically at 1−5% in toners and essences, its superb gentleness and refreshing feel make it an ideal daily active for sensitive, combination, dehydrated, and urban-exposed skin seeking an instant cool-down, subtle clarity, and protection against environmental stress without heaviness.

Ingredient Encyclopedia

Cucumber Water – Benefits, Side Effects & Uses

by ThankMeNow Editors on Sep 10, 2025
Cucumber Water (Cucumis Sativus Water), a gentle hydrosol, is a water-soluble botanical rich in Minerals (Electrolytes), Polysaccharides, and Amino Acids, delivering an immediate sense of cooling, redness-calming, and hydration-balancing relief. This botanical water significantly boosts hydration (observed trends up to +35%), aids in redness reduction (up to 28%), and enhances comfort (up to 33%). Used safely up to 100% in mists and toners, its lightweight, ultra-gentle nature and mineral-rich profile make it an ideal daily active for sensitive, dehydrated, overheated, and redness-prone skin seeking instant freshness, improved clarity, and non-heavy moisture flow.

Ingredient Encyclopedia

Ginkgo Seed Extract – Benefits, Side Effects & Uses

by ThankMeNow Editors on Sep 10, 2025
Ginkgo Seed Extract (Ginkgo Biloba Seed Extract) is the softest and most comfort-oriented expression of the ancient ginkgo tree, serving as a gentle conditioning agent and antioxidant buffer. Unlike ginkgo leaf extracts, which are dense with bioactive terpenoids for intense defense, the seed extract focuses on tactile softness and routine harmony. Typically used at 0.1–2%, it functions as a supportive botanical that enhances formula elegance while providing a mild shield against environmental stress. Its low-intensity profile makes it exceptionally compatible with reactive and sensitive skin, offering a "peacekeeping" layer that improves the tolerance of more aggressive actives like retinoids or exfoliating acids. While it does not offer aggressive correction, its true value lies in long-term routine stability; by reducing perceived irritation and enhancing skin softness, it fosters the consistency needed for a healthy, balanced barrier.

Ingredient Encyclopedia

Ginkgo Bark Extract – Benefits, Side Effects & Uses

by ThankMeNow Editors on Sep 10, 2025
Ginkgo Bark Extract (Ginkgo Biloba Bark Extract) is the structural and resilience-focused expression of the ginkgo tree, modeled after the plant's own protective outer architecture. Unlike leaf extracts that prioritize immediate antioxidant scavenging, the bark extract utilizes a robust profile of polyphenols and tannins to provide environmental stress buffering and long-term barrier stability. Typically used at 0.1–1%, it functions as a defensive routine stabilizer, specifically designed to reinforce skin exposed to urban pollution, wind, and oxidative fatigue. Its "grounding" nature delivers a sense of structural skin comfort without the sensory over-activation common in high-potency leaf isolates. While it doesn't offer instant cooling, its true value is cumulative resilience; consistent morning application over an 8-to-12-week timeline results in a skin baseline that feels notably stronger, more settled, and less prone to the "tightness" associated with environmental shifts and urban living.

Ingredient Encyclopedia

Ginkgo Leaf Juice – Benefits, Side Effects & Uses

by ThankMeNow Editors on Sep 10, 2025
Ginkgo Leaf Juice (Ginkgo Biloba Leaf Juice) is the lightest and most breathable expression of the ginkgo plant, specifically designed for neurosensory comfort and daily hydration. Unlike concentrated leaf extracts or structural bark fractions, this fresh-leaf–derived juice provides a gentle "antioxidant buffer" that prioritizes high skin tolerance and a cooling sensation over aggressive biological correction. Typically used at 5–50% as a botanical water replacement, it functions as a comfort-first primer, reducing the perception of heat and tightness in sensitive or reactive routines. Its weightless profile makes it an exceptional choice for minimalist or active-heavy regimens that require a soothing layer to balance out the intensity of acids or retinoids. While it offers mild radical-scavenging benefits, its true value lies in long-term routine harmony; by making each step feel more refreshing and less "reactive," it helps users maintain the consistency required for a stable, healthy barrier.

Ingredient Encyclopedia

Ginkgo Oil – Benefits, Side Effects & Uses

by ThankMeNow Editors on Sep 10, 2025
Ginkgo Oil (Ginkgo Biloba Seed Oil) represents the lipid expression of the ginkgo plant, specifically engineered for barrier comfort, moisture sealing, and surface softening. Unlike water-based ginkgo formats that focus on cooling or antioxidant buffering, this lipid-rich oil functions as a physical shield, effectively reducing trans-epidermal water loss (TEWL) and restoring flexibility to a tight, dry stratum corneum. Typically used as a finishing step in concentrations ranging from 1–10% in emulsions to 100% in pure blends, it provides the lipid support necessary for skin that has been over-treated with actives or stressed by cold, dry climates. While it is not a "hydrator" in the sense of adding water, it is an essential hydration sealer; by "closing the lid" on previous watery layers, it ensures that humectants like hyaluronic acid remain effective. Its true value lies in tactile transformation, turning rough, flaky textures into a supple, cushioned baseline that can better tolerate corrective treatments.

Ingredient Encyclopedia

Ginkgo Ferment – Benefits, Side Effects & Uses

by ThankMeNow Editors on Sep 10, 2025
Ginkgo Ferment (Lactobacillus/Ginkgo Biloba Ferment Filtrate) represents the most skin-intelligent and bioavailable expression of the ginkgo plant, designed specifically for antioxidant defense and routine harmony. Through a controlled fermentation process, larger botanical complexes are broken down into low-molecular-weight polyphenols and postbiotic metabolites, making the active compounds significantly easier for the skin to utilize without the "prickly" sensation often associated with raw extracts. Typically used at 0.5–5%, it functions as a biological peacekeeper, supporting the skin’s microbiome while buffering the irritation signals triggered by aggressive actives like retinoids or high-strength acids. Its true value lies in long-term environmental resilience; by improving the usability of antioxidants and fostering a stable skin climate, it prevents the "rollercoaster effect" of sensitivity flares. Consistent use over an 8-to-12-week timeline results in a skin baseline that is not only better defended against oxidative stress but is also notably more tolerant of advanced corrective treatments.