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Questions and Answers
What is the scientific name of the plant used to treat acne, inflammatory, and non-inflammatory lesions?
What is the scientific name of the plant used to treat acne, inflammatory, and non-inflammatory lesions?
Witch Hazel is ineffective in treating acne.
Witch Hazel is ineffective in treating acne.
False
Match the following plants with their corresponding scientific names:
Match the following plants with their corresponding scientific names:
Green Tea = Camellia sinensis Tea Tree Oil = Melaleuca alternifolia Witch Hazel = Hamamelis virginiana Castus = Vitex agnus-castus
MEBO is an oil-based herbal paste used for ______________________ treatment.
MEBO is an oil-based herbal paste used for ______________________ treatment.
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What is the recommended daily intake of castus extract for acne treatment?
What is the recommended daily intake of castus extract for acne treatment?
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Acute wounds can cause the healing process to fail.
Acute wounds can cause the healing process to fail.
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Which stage of wound healing involves the interconnected movements of numerous cell types?
Which stage of wound healing involves the interconnected movements of numerous cell types?
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What are the two groups of wounds?
What are the two groups of wounds?
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What is the function of the oily component of MEBO in wound healing?
What is the function of the oily component of MEBO in wound healing?
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Hair growth is a result of coordinated process of cellular multiplication and differentiation within a hair follicle.
Hair growth is a result of coordinated process of cellular multiplication and differentiation within a hair follicle.
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What is the primary composition of hair follicles?
What is the primary composition of hair follicles?
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Which of the following is a possible mechanism of action of herbal preparations in alopecia?
Which of the following is a possible mechanism of action of herbal preparations in alopecia?
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The hair follicle undergoes successive cyclic periods of growth, involving an active growing phase (anagen), a small transitionary regressive phase (______), and a dormant resting phase (telogen).
The hair follicle undergoes successive cyclic periods of growth, involving an active growing phase (anagen), a small transitionary regressive phase (______), and a dormant resting phase (telogen).
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Millet seed oil contains linoleic acid, vitamin E, and phytosterols.
Millet seed oil contains linoleic acid, vitamin E, and phytosterols.
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Match the following components of MEBO with their functions:
Match the following components of MEBO with their functions:
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What is the function of miliacin, a representative phytosterol of MSO?
What is the function of miliacin, a representative phytosterol of MSO?
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What is the effect of regularly applying Ginkgo biloba leaf extract to the roots of the hair?
What is the effect of regularly applying Ginkgo biloba leaf extract to the roots of the hair?
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Miliacin supplementation has been shown to have no effect on hair growth.
Miliacin supplementation has been shown to have no effect on hair growth.
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What are the benefits of using Piper nigrum seed extract on the scalp?
What are the benefits of using Piper nigrum seed extract on the scalp?
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Caffeine has been shown to prolong the ______________________ phase of hair growth.
Caffeine has been shown to prolong the ______________________ phase of hair growth.
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Match the following hair growth promoting substances with their benefits:
Match the following hair growth promoting substances with their benefits:
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What is the effect of miliacin supplementation on the telogen phase of hair growth?
What is the effect of miliacin supplementation on the telogen phase of hair growth?
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What is another name for peanut oil?
What is another name for peanut oil?
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Aloe vera has anti-inflammatory and anti-bacterial properties.
Aloe vera has anti-inflammatory and anti-bacterial properties.
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What is the scientific name of German chamomile?
What is the scientific name of German chamomile?
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The lectin-like substance present in aloe vera, also known as ___________________, decreases inflammation by binding to glycoproteins present in the skin.
The lectin-like substance present in aloe vera, also known as ___________________, decreases inflammation by binding to glycoproteins present in the skin.
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What is the main advantage of using olive oil for eczema treatment?
What is the main advantage of using olive oil for eczema treatment?
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Match the following ingredients with their primary uses:
Match the following ingredients with their primary uses:
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Argan oil is effective in curing dry skin patches.
Argan oil is effective in curing dry skin patches.
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What is the main advantage of using peanut oil in skincare products?
What is the main advantage of using peanut oil in skincare products?
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What is the primary mechanism of action of Evening Primorose Oil in suppressing inflammation?
What is the primary mechanism of action of Evening Primorose Oil in suppressing inflammation?
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Oat seeds are crushed to form a fine powder that is black in color.
Oat seeds are crushed to form a fine powder that is black in color.
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What is the scientific name of the oat plant?
What is the scientific name of the oat plant?
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Shea butter is derived from the seeds of the __________ tree.
Shea butter is derived from the seeds of the __________ tree.
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What is the primary use of argan oil in cosmetics?
What is the primary use of argan oil in cosmetics?
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Acne is a single-factor disease.
Acne is a single-factor disease.
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Match the following ingredients with their properties:
Match the following ingredients with their properties:
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What is the primary pathogenic factor implicated in the development of acne?
What is the primary pathogenic factor implicated in the development of acne?
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Study Notes
Oils for Skin Health
- Peanut oil:
- Also known as groundnut oil
- Contains glycerides of oleic and linoleic acids
- Used in emollient creams and bath oils
- Should be avoided in individuals with peanut allergies
- Aloe vera:
- Scientific name: Aloe barbadensis
- Gel has hydrating and soothing properties, effective in eczema treatment
- Contains lectin-like substances that reduce inflammation by binding to glycoproteins in the skin
- Phytoconstituents like aloe-emodin and aloin have anti-inflammatory and antibacterial properties
- German chamomile:
- Scientific name: Chamomilla recutita
- Topical application of chamomile extracts has been found to ease eczema discomfort
- Volatile oils and flavonoids in chamomile penetrate deep into the skin, reducing inflammation
- Chamomile cream has been found to be mildly superior to hydrocortisone cream in treating eczema
- Olive oil:
- Scientific name: Olea europaea
- Contains hydrophilic phenolic compounds with antioxidant and anti-inflammatory properties
- Maintains skin barrier homeostasis, reducing inflammation and promoting wound healing
- Monounsaturated free fatty acids like oleic acid enhance oil permeability into the skin, managing eczema
- Argan oil:
- Scientific name: Argania spinosa
- γ-Tocopherol content has anti-inflammatory and chemopreventive actions
- Topical application of argan oil is effective in curing dry skin patches and restoring skin elasticity
- Cosmetics and serums with argan oil are used as moisturizers, retaining epidermal layer moisture and regaining skin barrier properties
- High concentration of polyphenols in argan oil contributes to its protective action on the skin
- Shea butter:
- Derived from the seeds of Vitellaria paradoxa
- Rich in sterols, phenols, tocopherols, and triterpenes, which provide anti-inflammatory and antioxidant properties
- Oat:
- Scientific name: Avena sativa
- Seeds are crushed to form a coarse powder, which is creamy white in color
- Contains proteins, polyphenols, starch, and soluble polysaccharides (mucilage polysaccharides) that deeply hydrate dry skin
- Fatty oil is composed of phytosterols, including campesterol and sitosterol, and vitamin E
- Oats are externally emollient and used in bath preparations for eczema, itchy or dry skin
- Evening primrose oil:
- Extracted from the seeds of Oenothera biennis
- Mechanism of action: γ-linolenic acid suppresses inflammation by inhibiting cyclooxygenase and lipoxygenase enzymes
Acne Treatment
- Acne:
- Multifactorial disease influenced by genetic, racial, hormonal, dietary, and environmental factors
- Pathogenesis involves hyperseborrhea, abnormal follicular keratinization, and Propionibacterium acnes proliferation in the pilosebaceous unit
- Green tea:
- Scientific name: Camellia sinensis
- Effective in treating both inflammatory and non-inflammatory acne lesions
- Tannins and flavonoids have antiseptic and anti-inflammatory effects
- Tea tree oil:
- Scientific name: Melaleuca alternifolia
- Clinical studies have demonstrated efficacy in treating acne, oral candidiasis, and tinea, and improving photoaging
- Decreases lesion numbers in patients with mild-to-moderate acne
- Witch hazel:
- Scientific name: Hamamelis virginiana
- Treats acne by removing excess skin oil and reducing redness and bruising
- Has anti-inflammatory effects
- Castus:
- Scientific name: Vitex agnus-castus
- German Commission E recommends daily intake of 40 mg castus extract for acne treatment
- Pregnant and nursing women should not use this plant
- Adverse side effects include gastrointestinal disturbances and skin rashes
Wounds and Burns
- Wound healing process:
- Involves interconnected movements of numerous cell types during homeostasis, inflammation, proliferation, re-epithelialization, and remodeling
- Acute wounds tend not to disrupt long-term restoration of skin anatomical and functional integrity
- Chronic wounds can cause the healing process to fail
- MEBO:
- Oil-based herbal paste developed in 1989 in Beijing
- Popular topical treatment for burn wounds, especially in Asia and the Middle East
- Oily component improves wound moisture retention
- Suppresses microbial proliferation and promotes rapid re-epithelialization
- Has angiogenic activity
Hair Loss
- Hair growth:
- Cumulative, physical consequence of coordinated process of cellular proliferation and differentiation within a hair follicle
- Stem cells commit to hair follicle fate, leading to massive proliferation and formation of a mature hair follicle
- Hair follicles comprised of epithelial and dermal components
- Hair growth cycle:
- Involves an active growing phase (anagen), a small transitional regressive phase (catagen), and a dormant resting phase (telogen)
- Each strand of hair is at its own stage of development
- Cycle restarts, and a new strand of hair begins to form
- Herbal preparations for hair loss:
- Millet seed oil:
- Contains linoleic acid, vitamin E, and phytosterols
- Miliacin, a representative phytosterol, promotes keratinocyte proliferation
- Reduces telogen phase and improves scalp dryness and hair conditions
- Ginkgo biloba leaf extract:
- Increases blood circulation throughout the scalp, helping to accelerate hair growth
- Castor oil:
- Moisturizes dry, irritated skin and reduces flaking
- Has anti-inflammatory effects, reducing dandruff
- Caffeine:
- Prolongs active hair growth phase and facilitates cell proliferation
- Promotes blood flow to hair follicles, increasing hair growth rate
- Piper nigrum seed extract:
- Rich in vitamins A and C, flavonoids, carotenoids, and antioxidants
- Stimulates hair growth and reduces shedding
- Millet seed oil:
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Description
This quiz covers the characteristics and uses of peanut oil and aloe vera, including their applications in skincare and potential allergenic effects.
