Short answer: cosmetic hair-care products can help curly and coily hair feel softer, stay moisturized and experience less breakage. They cannot diagnose or treat alopecia, and they should not be presented as changing the biological rate of hair growth unless the finished product has appropriate clinical evidence and regulatory status.
Why “growth” and “length retention” are different
Hair grows from the follicle, while breakage happens along the hair shaft. Curly and tightly coiled strands are often more prone to dryness and breakage, so reducing friction and improving moisture can help more of the length you already grow remain intact. That is length retention—not proof that a cosmetic made follicles grow faster.
The American Academy of Dermatology recommends gentle cleansing, conditioning, careful detangling and limiting damaging heat or tension for curly and coily hair.
What a well-formulated cosmetic can realistically do
- Add moisture and softness to dry-feeling hair.
- Improve slip so detangling creates less pulling and friction.
- Help reduce the appearance of frizz, split ends and breakage.
- Support a consistent scalp-and-length care routine.
- Help hair look fuller, smoother and healthier.
These benefits matter. When strands break less often, curls can retain more length and look healthier over time. Start with our step-by-step curly and coily hair-care routine, and explore the Aloe Leave-In Conditioner for moisture and detangling support.
What cosmetic products cannot promise
A cosmetic should not be represented as treating alopecia, reversing baldness, restoring lost hair or guaranteeing faster growth. The U.S. Food and Drug Administration explains that claims to restore hair growth or treat disease can cause a product to be regulated as a drug.
Likewise, research on an individual ingredient does not prove that a finished formula produces the same result. The ingredient amount, delivery system, combination with other ingredients and testing of the complete product all matter. Because Rthirtyone’s finished cosmetic formulas have not been clinically tested to prove hair regrowth, we focus on supportable cosmetic benefits such as moisture, softness, manageability and reduced breakage.
When hair loss needs professional care
Sudden shedding, bald patches, a widening part, scalp pain, scarring, persistent itching or continued thinning may have medical causes. A board-certified dermatologist can examine the scalp, identify possible causes and discuss evidence-based treatment. The AAD advises seeking dermatologic care when you are concerned about thinning or hair loss.
A practical curly-hair goal
Think of hair care as protecting the hair you have: cleanse gently, condition consistently, detangle with care, avoid excessive heat and tight styles, and choose products that make the routine easier to maintain. No cosmetic can guarantee regrowth, but a thoughtful routine can support healthier-looking curls and better length retention.
This article is educational and is not medical advice. Rthirtyone products are cosmetics and are not intended to diagnose, treat, cure or prevent disease.