Homeopathic Potencies: 6C vs 30C vs 200CK – A Complete Guide
By Boiron USA - World Leader in Homeopathic Medicines | Published: 2026-07-09
Category: How-to Guides
Learn the differences between homeopathic potencies 6C, 30C, and 200CK. This guide explains potency scales, how to choose the right strength, and tips for safe use.
If you are new to homeopathy, you may have noticed numbers and letters like 6C, 30C, or 200CK on product labels. These indicate the potency of the remedy, which refers to how many times the original substance has been diluted and succussed (shaken). Understanding these potencies helps you choose the right product for your needs and use it effectively.
In this guide, we will break down the most common homeopathic potencies—6C, 30C, and 200CK—explain how they differ, and offer practical advice on selecting the best one for common health concerns. Whether you are treating occasional heartburn, seasonal discomfort, or minor injuries, knowing the potency scale empowers you to make informed decisions.
What Does the Number and Letter Mean?
Homeopathic potencies are created through a process of serial dilution and succussion. The number indicates how many times the original substance has been diluted (e.g., 6 means a 1:100 dilution repeated six times). The letter indicates the dilution scale: C stands for centesimal (1 part substance to 99 parts diluent), and K refers to the Korsakovian method, which uses a single container for serial dilutions.
For example, a 6C potency has been diluted 1:100 six times, while a 30C has been diluted 1:100 thirty times. A 200CK potency is diluted 1:100 two hundred times using the Korsakovian method. In general, higher numbers represent higher dilutions, which are believed to work on a deeper, more energetic level.
- 6C: Low potency, ideal for acute, mild conditions and self-limiting symptoms.
- 30C: Medium potency, commonly used for acute issues and first-aid situations.
- 200CK: High potency, often reserved for chronic conditions or when a remedy matches symptoms very closely.
6C Potency: Gentle and Frequent
The 6C potency is considered low potency. It is gentle, safe for all ages, and can be taken more frequently (e.g., every 15-30 minutes for acute symptoms). Because the dilution is relatively low, it still contains a measurable amount of the original substance, making it suitable for mild, everyday complaints such as minor indigestion, occasional heartburn, or teething discomfort in babies.
For example, AcidCalm Tablets are formulated in a 6C potency to help with occasional heartburn and acid indigestion. Similarly, Camilia Bedtime Liquid Doses use gentle dilutions to soothe teething pain and restlessness in infants. These products are designed for short-term, symptomatic relief and can be repeated as needed.

- Best for: Mild, acute symptoms that are localized and recent.
- Dosing: Can be taken every 15-30 minutes for up to 10 doses, then reduce frequency as symptoms improve.
- Safety: Very low risk of side effects; suitable for children and sensitive individuals.
30C Potency: Versatile and Widely Used
The 30C potency is the most common in homeopathic first-aid kits and over-the-counter remedies. It offers a balance between frequency and depth of action. Because it is more diluted than 6C, it is believed to act on a slightly deeper energetic level, making it effective for a broader range of acute conditions, such as colds, coughs, minor injuries, and seasonal allergies.
Products like ColdCalm On the Go Pellets and Chestal Kids Cold & Cough Meltaway Pellets are formulated in 30C potencies to address cold symptoms and respiratory discomfort. The 30C potency is also popular for single remedies like Hypericum Perforatum 30C Multi-Pack, which is used for nerve pain and injuries to areas rich in nerve endings.

- Best for: Acute conditions that are moderate in intensity, such as colds, coughs, bruises, or insect bites.
- Dosing: Typically every 2-4 hours for acute symptoms; reduce frequency as symptoms subside.
- Tip: If symptoms do not improve after 3-4 doses, consider a different remedy or consult a professional.
200CK Potency: Deep and Long-Lasting
The 200CK potency is a high dilution that is generally reserved for chronic conditions or when a remedy matches the patient's symptom picture very precisely. It is less frequently used in acute self-care and more often prescribed by professional homeopaths. The 200CK is believed to act on a deep, constitutional level, and its effects can last for weeks or months.
Because of its high dilution, the 200CK potency is not typically found in everyday over-the-counter products. However, single remedies like Sulphur Iodatum 30C Multi-Pack are available at a 30C potency, which is a more accessible choice for general use. For those exploring higher potencies, it is advisable to work with a qualified homeopath who can guide dosing and repetition.
- Best for: Chronic conditions, recurring symptoms, or when a remedy is strongly indicated.
- Dosing: Usually a single dose, then wait and observe; repeat only if symptoms return.
- Caution: Higher potencies can produce stronger reactions; not recommended for self-treatment without experience.
How to Choose the Right Potency for Your Needs
Selecting the right potency depends on the nature and intensity of your symptoms, as well as your experience with homeopathy. For mild, acute issues like occasional heartburn or teething pain, a 6C potency is a safe starting point. For more pronounced acute symptoms like colds, coughs, or minor injuries, 30C is the go-to choice. For chronic or deep-seated conditions, 200CK or higher should only be used under professional guidance.
If you are unsure, it is always best to start with a lower potency (6C or 30C) and observe the response. You can always repeat the dose or move to a higher potency if needed. Remember that homeopathy treats the individual, not just the disease, so matching the remedy to your unique symptoms is more important than the potency number.
- Start low and slow: Begin with 6C or 30C for acute symptoms.
- Observe response: If symptoms improve, stop dosing; if not, consider a different remedy or potency.
- Consult a professional: For chronic conditions or high potencies (200CK+), seek advice from a licensed homeopath.
Common Myths About Homeopathic Potencies
One common myth is that higher potencies are stronger in a material sense. In reality, higher potencies contain less of the original substance, and their action is believed to be more energetic. Another misconception is that all potencies work the same way—they do not. A 6C remedy may work well for a superficial injury, while a 30C might be needed for a deeper emotional or physical issue.
Some people worry that taking too high a potency can cause harm. In homeopathy, even high potencies are extremely safe because the substances are so diluted. However, an incorrect choice may simply not work or could produce a temporary aggravation of symptoms, which usually resolves quickly. Always follow dosing guidelines and consult a professional if you have concerns.
Understanding homeopathic potencies helps you use remedies more effectively and safely. Whether you choose a gentle 6C for everyday discomfort or a versatile 30C for acute issues, Boiron offers a wide range of potencies to support your health journey. Explore our selection, including the Galphimia 30C Multi-Pack for seasonal allergies and the Cyclease Menopause Tablets for hormonal balance, to find the right remedy for you.



