Medicines and Cosmetics: An Overview
Medicines (Drugs)
Definition
- Medicines are chemical substances used to treat, cure, alleviate, or prevent diseases.
- They interact with the body’s biological systems to produce therapeutic effects.
Types of Medicines
Traditional Medicines
Definition
- Derived from natural sources such as plants and animals.
- Generally not chemically processed.
Examples
- Herbal remedies: Aloe vera, ginseng, turmeric (kunyit), ginger (halia), garlic (bawang putih), lemon.
- Animal-derived remedies: Some traditional remedies may involve parts or extracts from animals.
Usage
- Often used to treat common ailments.
- Based on traditional knowledge passed down through generations.
Modern Medicines
Definition
- Synthesised in laboratories using chemical processes.
- Designed to target specific biological mechanisms in the body.
Examples
- A wide range of drugs designed for specific treatments.
Categories of Modern Medicines
Analgesics
- Used to relieve pain without causing loss of consciousness.
- Examples: Paracetamol, Aspirin, Codeine, Morphine.
Antimicrobials
- Used to kill or inhibit the growth of microorganisms.
- Types: Antibiotics, Antifungals, Antivirals, Antiparasitics.
Psychotropics
- Used to manage mental illnesses.
- Examples: Antidepressants, Antipsychotics, Mood stabilisers.
Antiallergics
- Used to manage allergic reactions.
- Examples: Antihistamines, Decongestants, Epinephrine.
Corticosteroids
- Used to reduce inflammation.
- Examples: Betamethasone, Cortisone, Prednisone.
Cosmetics
Definition
- Substances used to enhance appearance, cleanse, protect the body, or alter its odour.
Basic Components of Cosmetics
- Air: Used as a solvent, vehicle, and cleansing agent.
- Emulsifiers: Help mix oil and water-based ingredients.
- Preservatives: Prevent microbial growth.
- Thickeners: Provide desired consistency.
- Moisturisers: Hydrate and soften skin.
- Colorants (Pigments): Impart colour.
- Fragrances: Provide a pleasant scent.
Examples of Cosmetic Ingredients
- Parabens: Used as preservatives.
- Alcohol: Used as a solvent.
- Mineral Oils: Used as moisturisers.
Potential Side Effects of Cosmetics
- Allergic reactions: Itching, redness, swelling.
- Skin irritation: Dryness, breakouts.
- Hormone disruption: Some ingredients linked to hormone disruption.
- Other possible effects: Eye irritation, Changes to skin pigmentation, Hair loss.
General Considerations
- Medicines and cosmetics are designed for specific purposes but may cause unwanted side effects.
- It is important to use these products responsibly, according to instructions provided.
- Consumers should be aware of possible side effects before using medicines or cosmetics.