By The Veracil Research Team · Updated October 20, 2026

What the listing establishes

The Hair Care Black Capsule Soft listing identifies Xiuli essential oil care capsules in a 30-piece format, packed in one bottle. That establishes the listed unit count. It does not establish a net volume per capsule, a total liquid volume, or the number of applications intended for your hair.

This is a packaging-and-label shopping guide. It does not verify clinical hair-growth benefits, structural repair, or superiority over an oil dispensed from a conventional bottle.

What is named in the ingredient description?

The catalog lists mineral oil, hydrogenated castor oil, rosemary leaves oil, tocopherol (vitamin E), butylated hydroxytoluene, aloe vera extract, and macadamia nut seed oil. These are the ingredient names supplied in the description, not an independently checked current package declaration.

The product’s “essential oil” wording does not mean the contents are pure rosemary oil or a single botanical oil. The listed mixture includes mineral oil and several other ingredients. Likewise, the capsule’s black color does not establish the composition or performance of the liquid inside.

Application questions to resolve first

The description reviewed here does not provide application directions. Before ordering, obtain the manufacturer’s opening instructions and confirm where the contents are intended to be applied. Do not guess whether the product belongs on the scalp, lengths, or ends from its name.

Also confirm whether it is leave-in or rinse-out, whether hair should be damp or dry, how much to use, and whether it is intended for use before heated styling. This guide does not supply a substitute protocol where the manufacturer’s directions are missing.

Capsules versus a bottled oil

Do not infer benefits from one ingredient

The presence of rosemary in the catalog list is not a finished-formula hair-growth study. Ingredient percentages, contact time, and clinical testing are not supplied here. This guide therefore does not rate the capsules as a treatment or transfer a result from a different rosemary preparation to this mixture.

Similarly, the ingredient list does not establish heat protection, color protection, or permanent split-end repair. If those are your reasons for buying, request supporting product information rather than treating oil-based packaging as proof.

Keep haircare and facial capsules separate

A similar portioned format does not make products interchangeable. Our facial serum capsule guide covers a different category. For a separate hair-styling decision, explore the hair shine serum versus styling cream guide. Follow each item’s own intended-use label.

Commercial disclosure: Veracil sells the product below and benefits from purchases. This guide evaluates the supplied catalog details, not independently tested results.

Shop This

The takeaway

Choose the capsule format only after resolving the missing quantity and application details. Thirty pieces does not establish thirty treatments, and the presence of a familiar oil does not verify the finished formula’s results.