Hot tubs are a different environment than a swimming pool, and for your skin, the differences matter. If you've noticed that your skin tends to feel drier or more irritated after a hot tub session than after a pool swim, that's not coincidence. Several factors combine in a hot tub environment to create conditions that are particularly challenging for skin.
Understanding what's happening helps you protect yourself effectively before you soak.
Why hot tubs are a different challenge than pools
Bromine rather than chlorine. While swimming pools typically use chlorine as the primary sanitizer, most hot tubs use bromine. Bromine is effective at sanitizing in the high temperatures of a hot tub environment, where chlorine becomes less stable. Like chlorine, bromine interacts with your skin's natural oils, disrupting the surface layer that helps retain moisture and protect against irritants. For frequent hot tub users, this contact adds up.
Higher chemical concentrations. Hot tubs have a much smaller water volume than swimming pools, but they support the same or more user contact per volume. To maintain safe sanitizer levels, the chemical concentration in hot tub water is typically higher than in a comparable swimming pool. More concentrated chemical contact per session.
Warm water opens the picture. Warm water affects your skin in ways that cold or room-temperature pool water doesn't. The warmth opens pores and generally makes skin more permeable to its environment. The combination of warmer water and higher chemical concentration means your skin is dealing with a more challenging situation per minute of exposure than in a typical pool.
Longer, more stationary soaking. Pool swimmers are moving through the water. Hot tub users sit in concentrated chemical contact for extended periods. That stationary, prolonged soaking in chemically treated warm water is a particularly direct form of exposure for skin.
What hot tub skin irritation feels like
- Dry, tight skin immediately after getting out
- Redness on areas that were submerged
- Itching that develops during the soak or afterward
- A chemical smell on skin after showering
- Skin that feels more sensitive or reactive following regular hot tub use
These are familiar to regular hot tub users. They're the result of skin that's reacting to the chemical environment without adequate protection. If you have a diagnosed skin condition and are experiencing reactions to hot tub use, speak with your dermatologist.
How to protect your skin before soaking
The approach is the same as for pool swimming: protection before contact, not recovery after.
DermaSwim Pre-Swimming Lotion helps protect against bromine and chlorine contact in hot tubs as well as pools. The barrier, built around beeswax and coconut oil, holds in warm water during a soak the same way it holds during a pool session. Apply it to clean, dry skin before getting in.
Important: Use caution when entering or exiting a hot tub after applying DermaSwim, as the lotion may make surfaces slippery. Take your time getting in and out. Grip the handrail. Don't rush.
The complete hot tub routine
Before soaking: Apply DermaSwim to any skin that will be in contact with the water before getting in. Take care entering the hot tub, the barrier lotion may make skin slippery.
Time your sessions: Extended hot tub soaking is more demanding on skin than a pool swim of equivalent length. Keep sessions at a comfortable duration, particularly if your skin tends to react easily.
Protect your skin before your next soak.
DermaSwim is available on . 97.5% natural. Paraben-free.
For external use only. Use caution when entering or exiting a hot tub after applying DermaSwim, as the lotion may make surfaces slippery. DermaSwim is a cosmetic product, not a medical treatment. If you have a diagnosed skin condition, consult your healthcare provider before use. *97.5% natural based on weight/volume of natural-origin ingredients.
