HERBAL COSMETICS: A TEACHER’S COMPREHENSIVE GUIDE
Welcome, future pharmacists and cosmetic scientists!
Herbal cosmetics are products formulated using various permissible cosmetic ingredients to form a base in which one or more herbal ingredients are added to provide the defined cosmetic benefits. Herbs do not produce instant cures. They offer a way to put the body in proper tune with nature. A huge number of cosmetic and toiletry formulations have been designed and developed based upon the Indian herbs.
As a pharmacognosy educator with years of experience teaching herbal cosmetics, I have observed that students often find the diverse range of herbal cosmetic ingredients fascinating. Let me tell you: Herbal cosmetics represent the perfect blend of nature’s wisdom and modern beauty science.
In this comprehensive guide, I will walk you through the sources, chemical constituents, commercial preparations, and therapeutic and cosmetic uses of major herbal cosmetic ingredients—Aloe Vera Gel, Almond Oil, Lavender Oil, Olive Oil, Rosemary Oil, and Sandalwood Oil. By the end of this article, you will have a thorough understanding of these natural beauty ingredients. Let us begin!
Dpharmguru’s exam insights:
Herbal cosmetics are frequently tested in pharmacognosy exams. Remember: Aloe vera contains barbaloin (10-30%). Almond oil contains amygdalin (2.5-4.0%) in bitter variety. Lavender oil is rich in linalyl acetate and linalool. Olive oil contains mixed glycerides of oleic acid (56-85%). Rosemary oil contains 1,8-cineole and camphor. Sandalwood oil contains 95% α-santalol and β-santalol. These are classic exam questions!
ROLE OF HERBAL COSMETICS
- Applied to improve the condition and appearance of the nails, hair, and skin
- Help to shield the skin from harm due to antibacterial, antiseptic, anti-inflammatory, antioxidant qualities
- Safe and effective with fewer or no adverse effects, compared to synthetic cosmetics
- Enhance the skin’s physiological processes—conditioning, hydrating, healing, and smoothing
- Have therapeutic and aromatic properties—improve physical and mental health
11.1. ALOE VERA GEL
Aloe vera gel is obtained from the leaves of aloe plants. It has been used to heal and soften the skin.
11.1.1. Sources of Aloe Vera Gel
Aloe is the dried juice obtained from an incision made at the bases of leaves of various species of Aloe—Aloe perryi Baker (Socotrine/Zanzibar aloe), Aloe vera Linn. (Curacao/Barbados aloe), Aloe barbadensis Mil., and Aloe ferox Miller (Cape aloe). Family: Liliaceae.
11.1.2. Chemical Constituents of Aloe Vera Gel
- Three isomers of aloins—Barbaloin, β-Barbaloin, and Isobarbaloin—constitute crystalline Aloin (10-30%)
- Other constituents: Amorphous aloin, Resin, Emodin, Aloe-emodin
- Barbaloin is present in all varieties—slightly yellow, bitter, water-soluble, crystalline glycoside
- Isobarbaloin—present in Curacao aloe, trace in Cape aloe, absent in Socotrine and Zanzibar aloe
11.1.3. Commercial Preparations of Aloe Vera Gel
- Diabecon
- Evecare
- Mensonorm
- Kumariasava
11.1.4. Therapeutic and Cosmetic Uses of Aloe Vera Gel
- Used for helminthiasis in children—purgative and anthelmintic
- Useful in ulcerative colitis and pressure ulcers
- Traditionally used externally (wounds, minor burns, skin irritations) and internally (constipation, coughs, ulcers, diabetes, headaches, arthritis)
- Prevents mouth sores when applied to gums after dental appliances
- Natural remedy for sunburn—chilling effect and anti-inflammatory
- After-shave treatment—keeps skin hydrated, heals razor burns and cuts
- Treats dry skin
- Anti-aging properties—vitamins C, E, beta-carotene; eradicates blemishes, diminishes age lines, increases collagen production
- Improves skin integrity, decreases acne, wrinkles, erythema
- Natural treatment for stretch marks and acne marks
11.2. ALMOND OIL
Almond oil contains large amount of nutrients and useful properties, thus making it a powerful cosmetic ingredient.
Two types:
- Bitter Almond Oil: Strong smell—used in soaps, aromatherapy, massage therapy—toxic when ingested
- Sweet Almond Oil: Extracted from sweet almonds—commonly used in skin and hair products—safe to ingest internally
11.2.1. Sources of Almond Oil
- Sweet Almond Oil: Prunus amygdalus var. dulcis—family Rosaceae
- Bitter Almond Oil: Prunus amygdalus var. amara—only for medicinal purposes
11.2.2. Chemical Constituents of Almond Oil
- Fixed oil (40-55%), proteins (20%), mucilage, emulsin
- Bitter almond contains amygdalin (2.5-4.0%)—colourless, crystalline, cyanogenetic glycoside
- Glycerides of: Oleic (62-86%), Linoleic (17%), Palmitic (5%), Myristic (1%), Stearic, Linolenic, Arachidic, Gadoleic, Behenic, Erucic acids
- Bitter almond oil: Benzaldehyde and hydrocyanic acid (2-4%)
11.2.3. Commercial Preparations of Almond Oil
- Almond oil
- Almond hair oil
- Almond skin cream
11.2.4. Therapeutic and Cosmetic Uses of Almond Oil
- Anti-inflammatory, immunity booster, anti-hepatotoxicity, irritable bowel syndrome
- Keeps blood sugar stable
- Powerful moisturiser—quickly absorbed into skin
- Removes impurities, excess sebum, dead skin; opens clogged pores
- Effective treatment of stretch marks and acne scars
- Reduces under-eye puffiness and lightens dark circles—anti-inflammatory and antioxidant properties
- Contains retinol, Vitamin E, Vitamin K—soothes under-eye skin, reduces fine lines
- Used for minor injuries and wound healing
- Prevents and treats dry scalp conditions (seborrheic dermatitis) and scalp psoriasis
- Improves overall hair texture—emollient properties
- Vitamin E—antioxidant—combats environmental stress in hair
11.3. LAVENDER OIL
Lavender oil is an essential oil obtained by distillation of the flower spikes of certain species of lavender.
11.3.1. Sources of Lavender Oil
Lavender oil is obtained by steam distillation of freshly cut flowering tops and stalks of Lavandula officinalis. Family: Lamiaceae. Native to Mediterranean countries.
11.3.2. Chemical Constituents of Lavender Oil
- Chemically complex—over 150 active constituents
- Rich in esters—antispasmodic, calming, stimulating properties
- Main constituents: Linalyl acetate, Linalool (non-toxic terpene alcohol), Terpinen-4-ol, Camphor
- Other constituents responsible for antibacterial, antiviral, anti-inflammatory properties
11.3.3. Commercial Preparations of Lavender Oil
- Lavender oil
- Bath gels
- Tea
- Tinctures
- Extracts
11.3.4. Therapeutic and Cosmetic Uses of Lavender Oil
- Eases sore/tensed muscles, joint pain, rheumatism, sprains, backache, lumbago
- Natural anti-inflammatory—reduces itching, swelling, redness
- Improves digestion—stimulates intestinal mobility, production of bile and gastric juices
- Lowers elevated blood pressure—used for hypertension
- Regulates moisture barrier—prevents skin from becoming too oily or too dry
- Diminishes skin disorders like eczema
- Antiseptic components—quickly heals skin and prevents infections
- Enhances collagen production and encourages regeneration of skin tissues
- Rich in antioxidants—slows aging process, prevents wrinkles
- Promotes radiant skin—neutralises oxidative damage from free radicals
- Stimulates thicker and quicker hair growth
- Antimicrobial and antibacterial properties—improves scalp health
11.4. OLIVE OIL
Olive oil is a multi-purpose ingredient used across lifestyle spectrums for benefits ranging from nutrition and health to skin and hair.
11.4.1. Sources of Olive Oil
Olive oil is a fixed oil obtained by expressing the ripe fruits of Olea europaea Linn. or O. ferruginea (Indian olive). Family: Oleaceae.
11.4.2. Chemical Constituents of Olive Oil
- Mixed glycerides of: Oleic (56-85%), Palmitic (7-20%), Linoleic (3-20%), Stearic (1-5%), Arachidic (0.9%), Palmitoleic (3%), Linolenic, Eicosenoic, Gadoleic, Lignoceric acids
- Minor constituents: Squalene (0.7%), Phytosterol, Tocopherols (0.2%)
11.4.3. Commercial Preparations of Olive Oil
- Oleev Health olive oil
- Disano olive oil
- Del Monte olive pomace oil
- Olive oil
11.4.4. Therapeutic and Cosmetic Uses of Olive Oil
- Used in pharmaceutical preparations, soaps, textile lubricants, sulphonated oils, liniments, cosmetics, plasters
- Good solvent for parenteral preparations
- Externally—emollient and soothing agent over inflamed surfaces
- Internally—nutrient, demulcent, emollient, cholagogue, mild laxative
- Vehicle for oily suspensions for injection
- Remarkable moisturising properties—keeps skin soft, smooth, hydrated
- Reduces signs of aging
- Contains polyphenols—anti-inflammatory and antioxidant properties
- Triglycerides—repair skin barrier, reduce drying and flaking of sunburnt skin
- Hydroxytyrosol—antioxidant—counters damaging effect of free radicals
- Binds moisture to dry lips
11.5. ROSEMARY OIL
Rosemary oil is best known for its stimulating, soothing, and pain relieving properties. Its name comes from the Latin term “Dew of the Sea”.
11.5.1. Sources of Rosemary Oil
Rosemary oil is obtained by distillation of the flowering tops of leafy twigs of Rosmarinus officinalis. Family: Lamiaceae.
11.5.2. Chemical Constituents of Rosemary Oil
- Fresh material yields 1-2% volatile oil
- Contains esters (0.8-6%) and alcohols (8-20%)
- Principal constituents: 1,8-Cineole, Borneol, Camphor, Bornyl acetate, Monoterpene hydrocarbons
- Other constituents: Triterpene alcohols, α- and β-Amyrins, Rosmarinic acid, Caffeic acid, Chlorogenic acid, Carnosolic acid, Carnosol, Rosmanol
11.5.3. Commercial Preparations of Rosemary Oil
- Patanjali Rosemary oil
- Anti-hair fall oil
- Mama Earth Root Restore Hair Oil
- Rosemary essential oil
- Aromatique Rosemary essential oil for hair
11.5.4. Therapeutic and Cosmetic Uses of Rosemary Oil
- Anti-spasmodic and anti-inflammatory—relieves joint pains and muscle soreness
- Controls sebum production
- Anti-bacterial and anti-inflammatory—treats acne
- Minimises appearance of blemishes and lightens stretch marks
- Soothes skin irritation—dermatitis and eczema
- Acts as an astringent to soothe skin
- Stimulates skin and gives radiant glow
- Tightens skin and makes it appear more firm
- Soothes dry and itchy scalp
- Fights dandruff-related problems
11.6. SANDALWOOD OIL
Sandalwood oil is a valuable essential oil, extensively used in beauty, health, and rituals. It possesses a distinct mild earthy aroma and plays a vital role in healing various skin conditions.
11.6.1. Sources of Sandalwood Oil
Sandalwood oil is obtained by distillation of sandalwood, Santalum album Linn. Family: Santalaceae. Found in dry regions of peninsular India—especially Mysore and Tamil Nadu, also Rajasthan, U.P., M.P., and Odisha.
11.6.2. Chemical Constituents of Sandalwood Oil
- Contains 95% of two isomeric sesquiterpene alcohols—α-Santalol and β-Santalol
- Other constituents: Aldehydesantalol, Santene, Santenone, Teresantol, Santalone, Santalene
11.6.3. Commercial Preparations of Sandalwood Oil
- Sandalwood essential oil microcapsules
- Sandalwood oil
- Indian sandalwood oil
- Sandalwood powder
11.6.4. Therapeutic and Cosmetic Uses of Sandalwood Oil
- Great antiseptic agent—treats acne, sores, boils, pimples
- Strong anti-inflammatory—soothing effect on brain, gastrointestinal, nervous, circulatory, excretory systems
- Natural relaxant and sedative—treats cramps, colds, aches; relaxes intestinal and abdominal muscles
- Lowers hypertension even when applied externally
- Warm and refreshing woody aroma—relaxes and pacifies the mind; lowers stress and anxiety
- Strong anti-bacterial, anti-viral, antifungal properties—treats wounds and improves healing mechanisms
- Antioxidant property—promotes skin health
- Scavenges free radicals and diminishes oxidative damage
Dpharmguru’s exam insights:
Herbal cosmetic ingredients are frequently tested. Remember: Aloe vera gel contains barbaloin (10-30%). Almond oil has amygdalin in bitter variety. Lavender oil is rich in linalool and linalyl acetate. Olive oil contains 56-85% oleic acid. Rosemary oil contains 1,8-cineole and camphor. Sandalwood oil contains 95% α- and β-santalol. These are classic exam questions!
COMPARISON: HERBAL COSMETIC INGREDIENTS
| Ingredient | Source | Key Chemical Constituent | Key Cosmetic Use |
|---|---|---|---|
| Aloe Vera Gel | Aloe vera (Liliaceae) | Barbaloin (10-30%) | Moisturising, anti-inflammatory, wound healing |
| Almond Oil | Prunus amygdalus (Rosaceae) | Oleic acid (62-86%), Amygdalin | Moisturising, anti-aging, hair conditioning |
| Lavender Oil | Lavandula officinalis (Lamiaceae) | Linalool, Linalyl acetate | Calming, anti-inflammatory, hair growth |
| Olive Oil | Olea europaea (Oleaceae) | Oleic acid (56-85%) | Moisturising, anti-aging, skin barrier repair |
| Rosemary Oil | Rosmarinus officinalis (Lamiaceae) | 1,8-Cineole, Camphor | Anti-inflammatory, scalp health, dandruff control |
| Sandalwood Oil | Santalum album (Santalaceae) | α-Santalol, β-Santalol (95%) | Antiseptic, anti-inflammatory, skin health |
FREQUENTLY ASKED QUESTIONS (FAQs)
1. What are herbal cosmetics?
Herbal cosmetics are products formulated using permissible cosmetic ingredients as a base, with one or more herbal ingredients added to provide defined cosmetic benefits.
2. What is the main chemical constituent of aloe vera gel?
The main chemical constituents of aloe vera gel are the three isomers of aloins—Barbaloin, β-Barbaloin, and Isobarbaloin—which constitute crystalline Aloin (10-30% of the drug).
3. What is the difference between sweet almond oil and bitter almond oil?
Sweet almond oil is extracted from Prunus amygdalus var. dulcis—safe for internal use, commonly used in skin and hair products. Bitter almond oil is derived from Prunus amygdalus var. amara—contains amygdalin (2.5-4.0%), toxic when ingested, used only for medicinal purposes.
4. What are the main chemical constituents of lavender oil?
The main chemical constituents of lavender oil are linalyl acetate, linalool (non-toxic terpene alcohol), terpinen-4-ol, and camphor.
5. What is the key chemical constituent of sandalwood oil?
Sandalwood oil contains 95% of two isomeric sesquiterpene alcohols—α-Santalol and β-Santalol.
6. What are the benefits of rosemary oil for hair?
Rosemary oil soothes dry and itchy scalp, fights dandruff, controls sebum production, and stimulates hair growth.
SUMMARY
Herbal cosmetics represent the harmonious blend of nature and beauty science. This guide covered:
- Aloe Vera Gel: Contains barbaloin (10-30%)—moisturising, anti-inflammatory, wound healing
- Almond Oil: Contains oleic acid (62-86%)—moisturising, anti-aging, hair conditioning; bitter variety contains amygdalin
- Lavender Oil: Contains linalool and linalyl acetate—calming, anti-inflammatory, promotes hair growth
- Olive Oil: Contains oleic acid (56-85%)—moisturising, anti-aging, skin barrier repair
- Rosemary Oil: Contains 1,8-cineole and camphor—anti-inflammatory, scalp health, dandruff control
- Sandalwood Oil: Contains 95% α-santalol and β-santalol—antiseptic, anti-inflammatory, skin health
As I always tell my students: “Herbal cosmetics are the perfect example of how nature provides everything we need for beauty and wellness—from the soothing gel of aloe to the fragrant oil of sandalwood.”
REFERENCES AND FURTHER READING
- Pharmacy Council of India (PCI). (2022). Pharmacognosy Syllabus. New Delhi: PCI.
- Kokate, C. K., Purohit, A. P., & Gokhale, S. B. (2020). Pharmacognosy (50th ed.). Nirali Prakashan.
- Trease, G. E., & Evans, W. C. (2019). Trease and Evans’ Pharmacognosy (16th ed.). Elsevier.
- World Health Organization (WHO). (2022). Guidelines on Quality Control of Herbal Medicines. Retrieved from https://www.who.int.
- Sharma, P. V. (2019). Charaka Samhita (English translation). Chowkhamba Orientalia.
Disclaimer: This article is for educational purposes only and does not constitute medical advice. Always consult qualified healthcare professionals for medical concerns. Herbal cosmetics should be used under proper guidance.
written by:
Dr. N. Sujith Kumar
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