Antiperspirant deodorant · label guide
Antiperspirant deodorant: how to read a 2-in-1 label
Most underarm products on store shelves are sold as “antiperspirant deodorant.” The label tells you which part reduces sweat, how strong it is, and what the claims on the front are allowed to mean. Here is how to read it.
Maxim® Ulti-Dri™ 15%
Antiperspirant roll-on with 15% aluminum chloride, applied at night to dry underarms. Pair with your usual deodorant in the morning if you want scent.
Shop Maxim 15%
Maxim Sensitive
Lower-strength option (10.8% aluminum chloride, per Maxim) for people whose skin finds the 15% formula too strong.
Shop Maxim SensitiveHow a 2-in-1 antiperspirant deodorant works
An antiperspirant deodorant is one product doing two jobs. The antiperspirant part is a drug ingredient that reduces how much sweat reaches the skin. The deodorant part addresses odor, usually with fragrance or ingredients aimed at odor-causing bacteria. Dermatologists at the American Academy of Dermatology list a combined product as one option for people who want both, alongside using two separate products.
If your main problem is wetness, the part of the label that matters most is the antiperspirant active ingredient, not the scent or the word on the front of the pack.
Five things to check on the label
1. The word “antiperspirant”
Under FDA’s rules for over-the-counter antiperspirants, the label must identify the product as an “antiperspirant” (21 CFR 350.50). A product called only “deodorant” is not making a sweat-reduction claim.
2. The active ingredient and its percentage
FDA lists the permitted antiperspirant actives and their maximum strengths: for example, aluminum chloride up to 15%, aluminum chlorohydrate up to 25%, and aluminum zirconium compounds up to 20% (21 CFR 350.10). The percentage is listed in the Drug Facts box.
3. “24 hour” or “all day”
FDA allows these phrases for products that show standard effectiveness, defined in the rule as a 20% sweat reduction over a 24-hour period.
4. “Extra effective”
This phrase is reserved for products that show at least a 30% sweat reduction under the same rule. It is a regulatory threshold, not a ranking between brands.
5. Warnings and directions
Required warnings include “Do not use on broken skin,” “Stop use if rash or irritation occurs,” and “Ask a doctor before use if you have kidney disease.” The required direction is “apply to underarms only.”
Source for all five cards: 21 CFR Part 350, FDA’s rule for OTC antiperspirant drug products.
What “clinical strength” does and does not tell you
“Clinical strength” is a common front-of-pack phrase, but the FDA antiperspirant rule linked above does not define it; the defined claims are “24 hour” and “extra effective.” The International Hyperhidrosis Society describes clinical-strength products as over-the-counter antiperspirants with higher concentrations of active ingredient than regular formulas. To compare two products, compare the active ingredient and percentage in Drug Facts rather than the marketing phrase.
“Aluminum-free” means a different product
The permitted antiperspirant actives in the FDA rule are aluminum and aluminum-zirconium compounds, so an “aluminum-free” product is a deodorant rather than an antiperspirant. The International Hyperhidrosis Society notes that aluminum-free formulas are less effective at reducing sweat. That can be the right choice if odor is your only concern; it is a different goal if wetness is the problem.
One product or two?
A 2-in-1 is convenient. Some people prefer to separate the jobs: an antiperspirant at bedtime, when AAD advises applying antiperspirant to dry skin, and a deodorant in the morning for scent. AAD gives that pattern for prescription antiperspirants, and Maxim’s own directions follow it: apply Maxim at night, then shower and use your normal deodorant in the morning (Maxim Ulti-Dri directions).
Fragrance is worth checking if your skin reacts. The International Hyperhidrosis Society notes that fragrance can sometimes cause irritant or contact dermatitis, and suggests fragrance-free antiperspirants for people with sensitive skin.
When the label is not the answer
AAD says non-prescription antiperspirants are effective only for mild hyperhidrosis and that many patients need a prescription antiperspirant (AAD treatment guide). If sweat still soaks through clothing after a few weeks of correct use, or sweating is new, happens mostly at night, or covers most of your body, talk with a clinician.
Using a 2-in-1 or a pair
A simple routine that follows the label
- Read Drug Facts: confirm “antiperspirant,” the active ingredient, and its percentage.
- At bedtime, make sure underarms are completely dry, then apply a thin layer.
- Let it dry before getting into bed.
- In the morning, wash as usual and add a deodorant if you want scent.
- Stop and ask a clinician if rash or irritation develops, as the label instructs.
Maxim product graphic about its underarm roll-on. Individual results vary.
Routine based on AAD’s bedtime-application guidance and the required label warnings in 21 CFR 350.50. Always follow the directions on your own product.
FAQ
Questions people ask
Is antiperspirant deodorant the same as antiperspirant?
It contains an antiperspirant plus a deodorant. The antiperspirant active reduces sweat; the deodorant part addresses odor. Check Drug Facts for the active ingredient.
What does “extra effective” mean on an antiperspirant?
Under FDA’s rule (21 CFR 350.50), “extra effective” is allowed for products that show at least a 30% sweat reduction. “24 hour” is allowed for products that show a 20% reduction over 24 hours.
Is “clinical strength” an FDA-defined term?
The FDA antiperspirant rule does not define “clinical strength.” Compare the active ingredient and percentage in Drug Facts instead.
Can I use a separate deodorant with Maxim?
Yes. Maxim’s directions are to apply at night and use your normal deodorant in the morning if you want scent.
When should I see a doctor about sweating?
If correct use of an OTC antiperspirant does not control it, or if sweating is new, mostly at night, whole-body, or comes with other symptoms such as fever, weight loss, or chest pain.
25 years of trust
Real people. Real results.
These are personal experiences with Maxim underarm antiperspirant. They are not evidence about label rules or other brands. Individual results vary.
Blessings do happen
“You apply at night sparingly and the next day you DO NOT SWEAT… The confidence and peace of mind that Maxim has given me merits the 5 star review.”— J. Millward
Dermatologist endorsement (separate from customer reviews)
Dr. Jennifer Haley on Maxim
Dr. Jennifer Haley, a dermatologist, discusses Maxim antiperspirant in her own words. Her video is an expert endorsement, presented separately from customer experiences and from the sources cited on this page.
Dr. Jennifer Haley · 45-second cut. Full-length video.
Sources
- U.S. FDA rules for OTC antiperspirants — 21 CFR Part 350 (eCFR)
- AAD: How to control excessive sweating — dermatologists’ tips
- American Academy of Dermatology (AAD): Hyperhidrosis — diagnosis and treatment
- International Hyperhidrosis Society (IHhS): Antiperspirant basics
- IHhS: Tips for best results — OTC antiperspirants
- Cleveland Clinic: Antiperspirant vs. deodorant
- Maxim product page: Ulti-Dri roll-on (directions)
Educational information, not a diagnosis or medical advice. Sources were opened and read on Nov 6, 2026.
Next step
Ready to try an antiperspirant at night?
Maxim Ulti-Dri and Maxim Sensitive are underarm antiperspirants. Follow the label; individual results vary.
Educational information only, not medical advice. Regulatory descriptions summarize 21 CFR Part 350 as published on eCFR on Nov 6, 2026. Follow your product’s label. Individual results vary.
