Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
apply topically
Grammar usage guide and real-world examplesUSAGE SUMMARY
"apply topically" is a correct and commonly used phrase in written English.
It means to apply something directly onto the surface of the skin or affected area. Example: "To treat a minor cut or scrape, it is recommended to clean the wound and then apply an antibiotic ointment topically to prevent infection."
✓ Grammatically correct
Science
News & Media
Encyclopedias
Alternative expressions(19)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
3 human-written examples
"Editors need to be incredible researchers, to seek out answers from everywhere," says Sondker, who adds that much of the process involved researching "the most powerful plants to apply topically".
News & Media
Five international scientific meetings have stated that within five years it would be possible to produce an effective microbicide -- a substance that women could apply topically before sex to protect themselves and their partners from H.I.V. and other sexually transmitted diseases.
News & Media
The RHE skin irritation test method consisted to topically apply topically the test substances for 42 min followed by a 42 h post-incubation.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
For topical treatment experiments, vehicle control or 0.5% baricitinib was applied topically daily.
Science
And it can also be applied topically.
News & Media
Most studies suggest that capsaicin works just when applied topically.
News & Media
Acyclovir may be taken orally, applied topically, or injected intravenously.
Encyclopedias
Cortisone ointment applied topically may temporarily relieve symptoms.
Encyclopedias
It's relatively easy to reduce salt that is applied topically, like that on potato chips.
News & Media
I don't think baldness treatments – whether ingested or applied topically – work.
News & Media
Spot-on flea and tick treatments are applied topically, usually between the animal's shoulder blades or along the spine.
News & Media
Expert writing Tips
Best practice
When instructing someone to use a topical medication, specify the amount and frequency for best results. For example, "apply a thin layer topically twice daily".
Common error
Avoid assuming that a substance applied topically will have the same effects as if it were ingested or injected. Topical applications primarily affect the area where they are applied, while systemic treatments affect the entire body.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "apply topically" functions as a verb phrase that specifies the method of administering a substance. This often involves medicines or treatments, directly onto the skin's surface. As Ludwig AI confirms, it describes a direct and localized application.
Frequent in
Science
41%
News & Media
38%
Encyclopedias
9%
Less common in
Formal & Business
3%
Wiki
6%
Reference
3%
Ludwig's WRAP-UP
The phrase "apply topically" is a grammatically sound and commonly used instruction, particularly in medical and scientific contexts. Ludwig AI confirms its accurate usage. It clearly communicates the method of applying a substance directly to the skin for a localized effect. While the phrase is most frequently encountered in scientific and news media sources, its application extends to various fields where specific administration instructions are necessary. When using this phrase, clarity and specificity regarding dosage and frequency are key to ensuring effective treatment.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
use as a topical treatment
Focuses on the treatment aspect, emphasizing the medical or therapeutic intention of the application.
administer dermally
Emphasizes the method of administration via the skin, which is more formal and clinical.
spread on the skin
Describes the action of applying a substance over the skin surface in a less formal manner.
rub onto the affected area
Highlights the manual action of rubbing a substance into a specific body part.
place directly on the skin
Specifies that the substance should be positioned straight onto skin.
cover the area with
Highlights the action of covering the skin with a substance, emphasizing the extent of the application.
dress the wound with
Implies applying a medicated dressing to a wound for treatment, more specific to wound care.
apply externally
Simply indicates the substance is applied outside the body and not ingested.
perform local treatment
Focuses on the action of delivering treatment to a specific part of the body.
use a surface application
Describes application limited only to the surface of the skin.
FAQs
How can I use "apply topically" in a sentence?
You can use "apply topically" to describe the application of a substance directly onto the skin. For example, "apply the cream topically to the affected area twice a day."
What does "apply topically" mean in medical contexts?
In medical contexts, "apply topically" means to administer a medication or treatment directly to the skin's surface or to a specific area of the body for localized effect.
What are some alternatives to saying "apply topically"?
Alternatives include "use as a topical treatment", "administer dermally", or simply "rub onto the affected area", depending on the context.
Is it better to "apply topically" or take medication orally for skin conditions?
The best method depends on the condition and medication. Topical application is often preferred for localized issues, while oral medication is used for systemic conditions or when topical treatments are insufficient. Consult a healthcare professional for guidance.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested